Questões de Concursos

filtre e encontre questões para seus estudos.

O texto seguinte servirá de base para responder à questão.

Read the dialogue below:

Thalia: "Hey, did you hear about the new art gallery opening downtown? They say it's got some really unique pieces from local artists."

Blaise: "Yes, I did! I read that some of the artwork explores themes like urban loneliness and the impact of technology on our lives."

Thalia: "Exactly. One of the reviews mentioned a painting that uses dark shades and fragmented images to depict a city skyline. It's supposed to reflect how disjointed city life can feel."

Blaise: "Sounds interesting. I wonder if they're planning to have events or artist talks. Sometimes hearing directly from the artists adds a lot to understanding their work."

Thalia: "True. But I also appreciate forming my own interpretations first, then seeing if they align with the artist's ideas."

Blaise: "Good point! Art's so subjective − I think it's meant to evoke different responses in each person. Are you planning to visit soon?"

Thalia: "Definitely! I think it'll be a chance to see how these artists portray familiar themes in ways that might challenge or change our perspectives."


Free text.
Given Thalia and Blaise's dialogue, what theme is likely central to the gallery exhibition?
O texto seguinte servirá de base para responder à questão.

Read the dialogue below:

Thalia: "Hey, did you hear about the new art gallery opening downtown? They say it's got some really unique pieces from local artists."

Blaise: "Yes, I did! I read that some of the artwork explores themes like urban loneliness and the impact of technology on our lives."

Thalia: "Exactly. One of the reviews mentioned a painting that uses dark shades and fragmented images to depict a city skyline. It's supposed to reflect how disjointed city life can feel."

Blaise: "Sounds interesting. I wonder if they're planning to have events or artist talks. Sometimes hearing directly from the artists adds a lot to understanding their work."

Thalia: "True. But I also appreciate forming my own interpretations first, then seeing if they align with the artist's ideas."

Blaise: "Good point! Art's so subjective − I think it's meant to evoke different responses in each person. Are you planning to visit soon?"

Thalia: "Definitely! I think it'll be a chance to see how these artists portray familiar themes in ways that might challenge or change our perspectives."


Free text.
When Thalia says, "I think it'll be a chance to see how these artists portray familiar themes in ways that might challenge or change our perspectives," what does this suggest about her expectations for the gallery visit?
Consider the following excerpt and answer the question:
"Many cities have invested in urban green spaces to improve quality of life for residents. These spaces not only provide a natural escape but also serve as hubs for community activities and relaxation."
Which cohesive device does the phrase "These spaces" primarily serve as, and what is its function in the text?
O texto seguinte servirá de base para responder à questão.

Read the dialogue below:

Thalia: "Hey, did you hear about the new art gallery opening downtown? They say it's got some really unique pieces from local artists."

Blaise: "Yes, I did! I read that some of the artwork explores themes like urban loneliness and the impact of technology on our lives."

Thalia: "Exactly. One of the reviews mentioned a painting that uses dark shades and fragmented images to depict a city skyline. It's supposed to reflect how disjointed city life can feel."

Blaise: "Sounds interesting. I wonder if they're planning to have events or artist talks. Sometimes hearing directly from the artists adds a lot to understanding their work."

Thalia: "True. But I also appreciate forming my own interpretations first, then seeing if they align with the artist's ideas."

Blaise: "Good point! Art's so subjective − I think it's meant to evoke different responses in each person. Are you planning to visit soon?"

Thalia: "Definitely! I think it'll be a chance to see how these artists portray familiar themes in ways that might challenge or change our perspectives."


Free text.
Based on Blaise's response to Thalia about artist talks, what can we infer about his approach to experiencing art?
When writing a complaint letter to your local council about a recurring problem with street lighting in your neighborhood, which of the following strategies is least effective in achieving a prompt and positive response?

New Research Sheds Light to The Persian Plateau: A Crucial Hub for Homo Sapiens Post-Africa Migration


March 31, 2024


The Persian plateau, a region that spans modern-day Iran, has been identified as a critical hub for Homo sapiens following their migration out of Africa. This pivotal role was established through the integration of genetic evidence, paleoecological models, and archaeological findings. The research, led by a team of scientists from various institutions, indicates that Homo sapiens dispersed from Africa approximately 70−60 thousand years ago (kya), but it wasn't until around 45 kya that they began to colonize all of Eurasia extensively. The interim period, which saw these early humans settle in the Persian plateau, has been a subject of considerable scientific interest.


The Genetic Evidence


Genetic studies reveal that populations within the Persian Plateau possess ancestry components closely matching those of the earliest Homo sapiens who left Africa. This suggests that the plateau acted as a significant waypoint for our species during their early Eurasian colonization attempts. The genetic markers found in the region provide a direct link to these ancient travelers, shedding light on the movements and expansions of early human populations.


Paleoecological Insights


The research further explores the environmental conditions that made the Persian plateau a suitable habitation site for early Homo sapiens. Using paleoecological models, the team reconstructed the climatic conditions of the plateau between 70 and 30 kya. The models indicate that the region could support human life throughout this period, offering a stable environment for these communities. Moreover, the plateau's ecological diversity and resources could sustain larger populations compared to other West Asian regions, making it an ideal settlement area during this epoch.


Archaeological Corroboration


Archaeological evidence from the Persian Plate supports the genetic and paleoecological findings. Sites across the region have yielded artifacts and remains dating back to the relevant period, indicating a continuous human presence. These archaeological sites, alongside the genetic and environmental data, paint a comprehensive picture of the plateau as a bustling hub for early humans.


The combination of genetic, paleoecological, and archaeological evidence positions the Persian plateau as a critical juncture in the story of human migration and settlement. This research not only highlights the importance of the region in our prehistoric past but also opens new avenues for understanding the complexjourney of Homo sapiens as they spread across the globe. Further investigations into this area are likely to yield even more insights into the early chapters of human history.


https://www.thearchaeologist.org/blog/new-research-sheds-light-to-the persian-plateau-a-crucial-hub-for-homo-sapiens-post-africa-migration

What is the significance of the time gap between Homo sapiens leaving Africa (70−60 kya) and extensively colonizing Eurasia (around 45 kya) as discussed in the article?
Read the excerpt below and answer the question:
"The waves rolled relentlessly against the shore, a steady rhythm echoing the passage of time. They seemed unchanged, constant, yet, in their persistence, each was unique in its form and force."
In terms of literary analysis, which of the following best describes the function of this passage in a narrative text?
You are preparing to write a persuasive letter to yourlocal government advocating for the implementation of more bicycle lanes in your city. Which of the following should not be included in your letter for it to remain focused and persuasive?
How online photos and videos alter the way you think



The images we are exposed to on social media and internet websites have a surprising influence on the way we view the world.


Every day we are bombarded with digital images. They appear on our social media feeds, in our search results and the websites we browse. People send them to us via messaging apps or over email. By the end of today, billions more will have been uploaded and shared online.


With the average user spending 6 hours and 40 minutes per day on the internet, according to one report, these images make up a significant portion of our everyday visual input.


And, recent research indicates that they may even be influencing our perceptions.


One study published earlier this year analysed images on Google,Wikipedia and the Internet Movie Database (IMBD), specifically looking at what genders predominated when they searched for different occupations − such as "farmer", "chief executive officer" or "TV reporter". The findings were stark. Although women were underrepresented overall, gender stereotypes were strong. Categories like "plumber", "developer", "investment banker" and "heart surgeon" were far more likely to be male. "Housekeeper", "nurse practitioner", "cheerleader" and "ballet dancer" tended to be female.


So far, so unsurprising. Anecdotally, I found the same phenomenon myself in 2019, when I was trying to find gender-balanced images for this website. Searching on Getty Creative, one of our main stock photo sites, I had found that photographs of male doctors outstripped female doctors by three to one − even though in the US, for example, physicians under 44 at the time were more likely to be female than male. This depiction of medical professionals were only part of the problem. There were twice as many options for photos of women with babies, or for that matter, of women with salads, as of men.


The more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves


The latest study, however, took this a step further. Rather than just showing the extent of gender bias in online imagery, the researchers tested whether exposure to these images had any impact on people's own biases. In the experiment, 423 US participants used Google to search for different occupations. Two groups searched by text, using either Google or Google News; another group used Google Images, instead. (A control group also used Google, but to search for categories unrelated to occupations, like "apple" and "guitar"). Then all participants were given an "implicit association test",which measures implicit biases.


Compared to Googling text-based descriptions of occupations, the participants who used Google Images and received visual representations in response showed much higher rates of implicit gender bias after the experiment − both immediately after and three days later.


"The rise of images in popular internet culture may come at a critical social cost," the researchers write. "Our findings are especially alarming given that image-based social media platforms such as Instagram, Snapchat and TikTok are surging in popularity, accelerating the mass production and circulation of images. In parallel, popular search engines such as Google are increasingly incorporating images into their core functionality, for example, by including images as a default part of text-based searches."


There's another growing problem, too: how the images already circulating online are informing and shaping AI models. Earlier this year, I experimented with this myself. I asked ChatGPT to create images for me of dozens of various professionals: doctor, lawyer, scientist, comedian, poet, teacher, customer service representative, nutritionist, thought leader, CEO, expert. Except for two or three results − dental hygienist, nurse and housekeeper − it delivered, again and again, a man. And not just a man, but a slim white man around his 30s with a crop of flowing brown hair.


In a later attempt, trying to get away from career bias, I asked ChatGPT to come up with different sorts of people for me: someone "smart", someone "successful", someone watching an opera, someone watching the show Love Is Blind, someone who quit their job to take care of the kids. Once again, over and over, I got the white guy with the lustrous hair.


Obviously, models like ChatGPT are learning based on the imagery that already exists. But, once again, this may perpetuate a vicious cycle: the more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves. And the more biased we become, the more we create and upload our own biased imagery.


So what can be done? A good deal of responsibility lies with the tech and AI companies. But even when their intentions are good, there doesn't seem to be an easy fix. In its attempt to correct for racial, gender and other biases, for example, Google's AI tool Gemini sometimes overcorrected − one image it generated of the US Founding Fathers included a black man, for example, while an image of German soldiers from World War Two featured a black man and an Asian woman.


In the meantime, we need to take control of shaping our digital visual world ourselves.


While it seems obvious, the fact that we can − to a certain extent − curate our social media feeds often goes overlooked. Seeking out accounts and influencers who are of different ethnic and racial backgrounds, or photographers from different parts of the woresults we get by altering the way we phrase the initial query.


The most effective strategy of all might be reclaiming our time. In the eponymous "digital detox plan" of art entrepreneur Marine Tanguy's book The Visual Detox: How to Consume Media Without Letting It Consume You, for example, there are no surprises, but some good, solid reminders − such as putting limits on when you look at a screen or your phone, deleting apps you aren't using, and spending time outside without technology.


I became aware recently that even my several-year-old phone has a timer you can switch on for various apps, choosing whatever time period per day you'd like. While I can't say that I've always heeded its warning when I hit my limit, it's helped me become much more aware of, and cut down on, my social media usage. As we have covered before, putting your phone in another room entirely seems to keep even the thought of checking it at bay.


Above all else, however, it may be awareness that is key. We don't often think about our visual consumption or consider how often we're surrounded by images that have been deliberately created and served to us, often to persuade us to purchase something.


Nor do we think about just how strange and new a phenomenon that is. For the vast majority of human evolutionary history − some 99% of the time we have been around − we wouldn't have seen many images within our own natural environment at all, save some cave paintings or handmade sculptures. While, in Europe, the Renaissance ushered in a new era of image production − which saw the rise of art markets and of artworks made for popular consumption, like printmaking − people still wouldn't have seen anywhere near the number of man-made images that we see today.


In the more than 100,000 generations since the Homo branch of the evolutionary tree emerged, we have evolved to spend far more time looking at the world (and people) around us than at images, never mind images on a screen. Perhaps, it seems, there is an argument for trying to incorporate more of that time away from our screens into our everyday lives today.


https://www.bbc.com/future/article/20241101-how-online-photos-and-vid eos-alter-the-way-you-think
What reasoning does the author provide for suggesting a "digital detox" as part of managing the influence of online images?

New Research Sheds Light to The Persian Plateau: A Crucial Hub for Homo Sapiens Post-Africa Migration


March 31, 2024


The Persian plateau, a region that spans modern-day Iran, has been identified as a critical hub for Homo sapiens following their migration out of Africa. This pivotal role was established through the integration of genetic evidence, paleoecological models, and archaeological findings. The research, led by a team of scientists from various institutions, indicates that Homo sapiens dispersed from Africa approximately 70−60 thousand years ago (kya), but it wasn't until around 45 kya that they began to colonize all of Eurasia extensively. The interim period, which saw these early humans settle in the Persian plateau, has been a subject of considerable scientific interest.


The Genetic Evidence


Genetic studies reveal that populations within the Persian Plateau possess ancestry components closely matching those of the earliest Homo sapiens who left Africa. This suggests that the plateau acted as a significant waypoint for our species during their early Eurasian colonization attempts. The genetic markers found in the region provide a direct link to these ancient travelers, shedding light on the movements and expansions of early human populations.


Paleoecological Insights


The research further explores the environmental conditions that made the Persian plateau a suitable habitation site for early Homo sapiens. Using paleoecological models, the team reconstructed the climatic conditions of the plateau between 70 and 30 kya. The models indicate that the region could support human life throughout this period, offering a stable environment for these communities. Moreover, the plateau's ecological diversity and resources could sustain larger populations compared to other West Asian regions, making it an ideal settlement area during this epoch.


Archaeological Corroboration


Archaeological evidence from the Persian Plate supports the genetic and paleoecological findings. Sites across the region have yielded artifacts and remains dating back to the relevant period, indicating a continuous human presence. These archaeological sites, alongside the genetic and environmental data, paint a comprehensive picture of the plateau as a bustling hub for early humans.


The combination of genetic, paleoecological, and archaeological evidence positions the Persian plateau as a critical juncture in the story of human migration and settlement. This research not only highlights the importance of the region in our prehistoric past but also opens new avenues for understanding the complexjourney of Homo sapiens as they spread across the globe. Further investigations into this area are likely to yield even more insights into the early chapters of human history.


https://www.thearchaeologist.org/blog/new-research-sheds-light-to-the persian-plateau-a-crucial-hub-for-homo-sapiens-post-africa-migration

What rationale does the article provide for why the Persian plateau could support larger human populations compared to other regions in West Asia during the period between 70 and 30 kya?
How online photos and videos alter the way you think



The images we are exposed to on social media and internet websites have a surprising influence on the way we view the world.


Every day we are bombarded with digital images. They appear on our social media feeds, in our search results and the websites we browse. People send them to us via messaging apps or over email. By the end of today, billions more will have been uploaded and shared online.


With the average user spending 6 hours and 40 minutes per day on the internet, according to one report, these images make up a significant portion of our everyday visual input.


And, recent research indicates that they may even be influencing our perceptions.


One study published earlier this year analysed images on Google,Wikipedia and the Internet Movie Database (IMBD), specifically looking at what genders predominated when they searched for different occupations − such as "farmer", "chief executive officer" or "TV reporter". The findings were stark. Although women were underrepresented overall, gender stereotypes were strong. Categories like "plumber", "developer", "investment banker" and "heart surgeon" were far more likely to be male. "Housekeeper", "nurse practitioner", "cheerleader" and "ballet dancer" tended to be female.


So far, so unsurprising. Anecdotally, I found the same phenomenon myself in 2019, when I was trying to find gender-balanced images for this website. Searching on Getty Creative, one of our main stock photo sites, I had found that photographs of male doctors outstripped female doctors by three to one − even though in the US, for example, physicians under 44 at the time were more likely to be female than male. This depiction of medical professionals were only part of the problem. There were twice as many options for photos of women with babies, or for that matter, of women with salads, as of men.


The more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves


The latest study, however, took this a step further. Rather than just showing the extent of gender bias in online imagery, the researchers tested whether exposure to these images had any impact on people's own biases. In the experiment, 423 US participants used Google to search for different occupations. Two groups searched by text, using either Google or Google News; another group used Google Images, instead. (A control group also used Google, but to search for categories unrelated to occupations, like "apple" and "guitar"). Then all participants were given an "implicit association test",which measures implicit biases.


Compared to Googling text-based descriptions of occupations, the participants who used Google Images and received visual representations in response showed much higher rates of implicit gender bias after the experiment − both immediately after and three days later.


"The rise of images in popular internet culture may come at a critical social cost," the researchers write. "Our findings are especially alarming given that image-based social media platforms such as Instagram, Snapchat and TikTok are surging in popularity, accelerating the mass production and circulation of images. In parallel, popular search engines such as Google are increasingly incorporating images into their core functionality, for example, by including images as a default part of text-based searches."


There's another growing problem, too: how the images already circulating online are informing and shaping AI models. Earlier this year, I experimented with this myself. I asked ChatGPT to create images for me of dozens of various professionals: doctor, lawyer, scientist, comedian, poet, teacher, customer service representative, nutritionist, thought leader, CEO, expert. Except for two or three results − dental hygienist, nurse and housekeeper − it delivered, again and again, a man. And not just a man, but a slim white man around his 30s with a crop of flowing brown hair.


In a later attempt, trying to get away from career bias, I asked ChatGPT to come up with different sorts of people for me: someone "smart", someone "successful", someone watching an opera, someone watching the show Love Is Blind, someone who quit their job to take care of the kids. Once again, over and over, I got the white guy with the lustrous hair.


Obviously, models like ChatGPT are learning based on the imagery that already exists. But, once again, this may perpetuate a vicious cycle: the more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves. And the more biased we become, the more we create and upload our own biased imagery.


So what can be done? A good deal of responsibility lies with the tech and AI companies. But even when their intentions are good, there doesn't seem to be an easy fix. In its attempt to correct for racial, gender and other biases, for example, Google's AI tool Gemini sometimes overcorrected − one image it generated of the US Founding Fathers included a black man, for example, while an image of German soldiers from World War Two featured a black man and an Asian woman.


In the meantime, we need to take control of shaping our digital visual world ourselves.


While it seems obvious, the fact that we can − to a certain extent − curate our social media feeds often goes overlooked. Seeking out accounts and influencers who are of different ethnic and racial backgrounds, or photographers from different parts of the woresults we get by altering the way we phrase the initial query.


The most effective strategy of all might be reclaiming our time. In the eponymous "digital detox plan" of art entrepreneur Marine Tanguy's book The Visual Detox: How to Consume Media Without Letting It Consume You, for example, there are no surprises, but some good, solid reminders − such as putting limits on when you look at a screen or your phone, deleting apps you aren't using, and spending time outside without technology.


I became aware recently that even my several-year-old phone has a timer you can switch on for various apps, choosing whatever time period per day you'd like. While I can't say that I've always heeded its warning when I hit my limit, it's helped me become much more aware of, and cut down on, my social media usage. As we have covered before, putting your phone in another room entirely seems to keep even the thought of checking it at bay.


Above all else, however, it may be awareness that is key. We don't often think about our visual consumption or consider how often we're surrounded by images that have been deliberately created and served to us, often to persuade us to purchase something.


Nor do we think about just how strange and new a phenomenon that is. For the vast majority of human evolutionary history − some 99% of the time we have been around − we wouldn't have seen many images within our own natural environment at all, save some cave paintings or handmade sculptures. While, in Europe, the Renaissance ushered in a new era of image production − which saw the rise of art markets and of artworks made for popular consumption, like printmaking − people still wouldn't have seen anywhere near the number of man-made images that we see today.


In the more than 100,000 generations since the Homo branch of the evolutionary tree emerged, we have evolved to spend far more time looking at the world (and people) around us than at images, never mind images on a screen. Perhaps, it seems, there is an argument for trying to incorporate more of that time away from our screens into our everyday lives today.


https://www.bbc.com/future/article/20241101-how-online-photos-and-vid eos-alter-the-way-you-think
According to the author, what role does "awareness" play in managing the influence of images?

New Research Sheds Light to The Persian Plateau: A Crucial Hub for Homo Sapiens Post-Africa Migration


March 31, 2024


The Persian plateau, a region that spans modern-day Iran, has been identified as a critical hub for Homo sapiens following their migration out of Africa. This pivotal role was established through the integration of genetic evidence, paleoecological models, and archaeological findings. The research, led by a team of scientists from various institutions, indicates that Homo sapiens dispersed from Africa approximately 70−60 thousand years ago (kya), but it wasn't until around 45 kya that they began to colonize all of Eurasia extensively. The interim period, which saw these early humans settle in the Persian plateau, has been a subject of considerable scientific interest.


The Genetic Evidence


Genetic studies reveal that populations within the Persian Plateau possess ancestry components closely matching those of the earliest Homo sapiens who left Africa. This suggests that the plateau acted as a significant waypoint for our species during their early Eurasian colonization attempts. The genetic markers found in the region provide a direct link to these ancient travelers, shedding light on the movements and expansions of early human populations.


Paleoecological Insights


The research further explores the environmental conditions that made the Persian plateau a suitable habitation site for early Homo sapiens. Using paleoecological models, the team reconstructed the climatic conditions of the plateau between 70 and 30 kya. The models indicate that the region could support human life throughout this period, offering a stable environment for these communities. Moreover, the plateau's ecological diversity and resources could sustain larger populations compared to other West Asian regions, making it an ideal settlement area during this epoch.


Archaeological Corroboration


Archaeological evidence from the Persian Plate supports the genetic and paleoecological findings. Sites across the region have yielded artifacts and remains dating back to the relevant period, indicating a continuous human presence. These archaeological sites, alongside the genetic and environmental data, paint a comprehensive picture of the plateau as a bustling hub for early humans.


The combination of genetic, paleoecological, and archaeological evidence positions the Persian plateau as a critical juncture in the story of human migration and settlement. This research not only highlights the importance of the region in our prehistoric past but also opens new avenues for understanding the complexjourney of Homo sapiens as they spread across the globe. Further investigations into this area are likely to yield even more insights into the early chapters of human history.


https://www.thearchaeologist.org/blog/new-research-sheds-light-to-the persian-plateau-a-crucial-hub-for-homo-sapiens-post-africa-migration

According to the article, why is the Persian plateau considered a critical hub for Homo sapiens after their migration out of Africa?
O texto seguinte servirá de base para responder à questão.


Archaeologists conduct first 'space excavation' on International Space Station

By Justin St. P. Walsh and Alice Gorman, The Conversation | Published: August 15, 2024 | Last updated on August 20, 2024

New results from the first archaeological fieldwork conducted in space show the International Space Station is a rich cultural landscape where crew create their own "gravity" to replace Earth's, and adapt module spaces to suit their needs.

Archaeology is usually thought of as the study of the distant past, but it's ideally suited for revealing how people adapt to long-duration spaceflight.

In the SQuARE experiment described in our new paper in PLOS ONE, we re-imagined a standard archaeological method for use in space, and got astronauts to carry it out for us.

Archaeology ... in ... spaaaaace!

The International Space Station is the first permanent human settlement in space. Close to 280 people have visited it in the past 23 years.

Our team has studied displays of photos, religious icons and artworks made by crew members from different countries, observed the cargo that is returned to Earth, and used NASA's historic photo archive to examine the relationships between crew members who serve together.

We've also studied the simple technologies, such as Velcro and resealable plastic bags, which astronauts use to recreate the Earthly effect of gravity in the microgravity environment − to keep things where you left them, so they don't float away.

Most recently, we collected data about how crew used objects inside the space station by adapting one of the most traditional archaeological techniques, the "shovel test pit".

On Earth, after an archaeological site has been identified, a grid of one-metre squares is laid out, and some of these are excavated as "test pits". These samples give a sense of the site as a whole.

In January 2022, we asked the space station crew to lay out five roughly square sample areas. We chose the square locations to encompass zones of work, science, exercise and leisure. The crew also selected a sixth area based on their own idea of what might be interesting to observe. Our study was sponsored by the International Space Station National Laboratory.

Then, for 60 days, the crew photographed each square every day to document the objects within its boundaries. Everything in space culture has an acronym, so we called this activity the Sampling Quadrangle Assemblages Research Experiment, or SQuARE.

The resulting photos show the richness of the space station's cultural landscape, while also revealing how far life in space is from images of sci-fi imagination.

The space station is cluttered and chaotic, cramped and dirty. There are no boundaries between where the crew works and where they rest. There is little to no privacy. There isn't even a shower.

What we saw in the squares

Now we can present results from the analysis of the first two squares. One was located in the US Node 2 module, where there are four crew berths, and connections to the European and Japanese labs. Visiting spacecraft often dock here. Our target was a wall where the Maintenance Work Area, or MWA, is located. There's a blue metal panel with 40 velcro squares on it, and a table below for fixing equipment or doing experiments.

NASA intended the area to be used for maintenance. However, we saw hardly any evidence of maintenance there, and only a handful of science activities. In fact, for 50 of the 60 days covered by our survey, the square was only used for storing items, which may not even have been used there.

The amount of velcro here made it a perfect location for ad hoc storage. Close to half of all items recorded (44%) were related to holding other items in place.

The other square we've completed was in the US Node 3 module, where there are exercise machines and the toilet. It's also a passageway to the crew's favourite part of the space station, the seven-sided cupola window, and to storage modules.

This wall had no designated function, so it was used for eclectic purposes, such as storing a laptop, an antibacterial experiment and resealable bags. And for 52 days during SQuARE, it was also the location where one crew member kept their toiletry kit.

It makes a kind of sense to put one's toiletries near the toilet and the exercise machines that each astronaut uses for hours every day. But this is a highly public space, where others are constantly passing by. The placement of the toiletry kit shows how inadequate the facilities are for hygiene and privacy.

What does this mean?

Our analysis of Squares 03 and 05 helped us understand how restraints such as velcro create a sort of transient gravity.

Restraints used to hold an object form a patch of active gravity, while those not in use represent potential gravity. The artefact analysis shows us how much potential gravity is available at each location.

The main focus of the space station is scientific work. To make this happen, astronauts have to deploy large numbers of objects. Square 03 shows how they turned a surface intended for maintenance into a halfway house for various items on their journeys around the station. Professor de Inglês - 1 1

Our data suggests that designers of future space stations, such as the commercial ones currently planned for low Earth orbit, or the Gateway station being built for lunar orbit, might need to make storage a higher priority.

Square 05 shows how a public wall space was claimed for personal storage by an unknown crew member. We already know there is less-than-ideal provision for privacy, but the persistence of the toiletry bag at this location shows how crew adapt spaces to make up for this.

What makes our conclusions significant is that they are evidence-based. The analysis of the first two squares suggests the data from all six will offer further insights into humanity's longest surviving space habitat.

Current plans are to bring the space station down from orbit in 2031, so this experiment may be the only chance we have to gather archaeological data.


https://www.astronomy.com/space-exploration/archaeologists-conduct-fi rst-space-excavation-on-international-space-station/
What can be inferred about the astronauts' personal space and privacy aboard the International Space Station from the article?
How online photos and videos alter the way you think



The images we are exposed to on social media and internet websites have a surprising influence on the way we view the world.


Every day we are bombarded with digital images. They appear on our social media feeds, in our search results and the websites we browse. People send them to us via messaging apps or over email. By the end of today, billions more will have been uploaded and shared online.


With the average user spending 6 hours and 40 minutes per day on the internet, according to one report, these images make up a significant portion of our everyday visual input.


And, recent research indicates that they may even be influencing our perceptions.


One study published earlier this year analysed images on Google,Wikipedia and the Internet Movie Database (IMBD), specifically looking at what genders predominated when they searched for different occupations − such as "farmer", "chief executive officer" or "TV reporter". The findings were stark. Although women were underrepresented overall, gender stereotypes were strong. Categories like "plumber", "developer", "investment banker" and "heart surgeon" were far more likely to be male. "Housekeeper", "nurse practitioner", "cheerleader" and "ballet dancer" tended to be female.


So far, so unsurprising. Anecdotally, I found the same phenomenon myself in 2019, when I was trying to find gender-balanced images for this website. Searching on Getty Creative, one of our main stock photo sites, I had found that photographs of male doctors outstripped female doctors by three to one − even though in the US, for example, physicians under 44 at the time were more likely to be female than male. This depiction of medical professionals were only part of the problem. There were twice as many options for photos of women with babies, or for that matter, of women with salads, as of men.


The more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves


The latest study, however, took this a step further. Rather than just showing the extent of gender bias in online imagery, the researchers tested whether exposure to these images had any impact on people's own biases. In the experiment, 423 US participants used Google to search for different occupations. Two groups searched by text, using either Google or Google News; another group used Google Images, instead. (A control group also used Google, but to search for categories unrelated to occupations, like "apple" and "guitar"). Then all participants were given an "implicit association test",which measures implicit biases.


Compared to Googling text-based descriptions of occupations, the participants who used Google Images and received visual representations in response showed much higher rates of implicit gender bias after the experiment − both immediately after and three days later.


"The rise of images in popular internet culture may come at a critical social cost," the researchers write. "Our findings are especially alarming given that image-based social media platforms such as Instagram, Snapchat and TikTok are surging in popularity, accelerating the mass production and circulation of images. In parallel, popular search engines such as Google are increasingly incorporating images into their core functionality, for example, by including images as a default part of text-based searches."


There's another growing problem, too: how the images already circulating online are informing and shaping AI models. Earlier this year, I experimented with this myself. I asked ChatGPT to create images for me of dozens of various professionals: doctor, lawyer, scientist, comedian, poet, teacher, customer service representative, nutritionist, thought leader, CEO, expert. Except for two or three results − dental hygienist, nurse and housekeeper − it delivered, again and again, a man. And not just a man, but a slim white man around his 30s with a crop of flowing brown hair.


In a later attempt, trying to get away from career bias, I asked ChatGPT to come up with different sorts of people for me: someone "smart", someone "successful", someone watching an opera, someone watching the show Love Is Blind, someone who quit their job to take care of the kids. Once again, over and over, I got the white guy with the lustrous hair.


Obviously, models like ChatGPT are learning based on the imagery that already exists. But, once again, this may perpetuate a vicious cycle: the more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves. And the more biased we become, the more we create and upload our own biased imagery.


So what can be done? A good deal of responsibility lies with the tech and AI companies. But even when their intentions are good, there doesn't seem to be an easy fix. In its attempt to correct for racial, gender and other biases, for example, Google's AI tool Gemini sometimes overcorrected − one image it generated of the US Founding Fathers included a black man, for example, while an image of German soldiers from World War Two featured a black man and an Asian woman.


In the meantime, we need to take control of shaping our digital visual world ourselves.


While it seems obvious, the fact that we can − to a certain extent − curate our social media feeds often goes overlooked. Seeking out accounts and influencers who are of different ethnic and racial backgrounds, or photographers from different parts of the woresults we get by altering the way we phrase the initial query.


The most effective strategy of all might be reclaiming our time. In the eponymous "digital detox plan" of art entrepreneur Marine Tanguy's book The Visual Detox: How to Consume Media Without Letting It Consume You, for example, there are no surprises, but some good, solid reminders − such as putting limits on when you look at a screen or your phone, deleting apps you aren't using, and spending time outside without technology.


I became aware recently that even my several-year-old phone has a timer you can switch on for various apps, choosing whatever time period per day you'd like. While I can't say that I've always heeded its warning when I hit my limit, it's helped me become much more aware of, and cut down on, my social media usage. As we have covered before, putting your phone in another room entirely seems to keep even the thought of checking it at bay.


Above all else, however, it may be awareness that is key. We don't often think about our visual consumption or consider how often we're surrounded by images that have been deliberately created and served to us, often to persuade us to purchase something.


Nor do we think about just how strange and new a phenomenon that is. For the vast majority of human evolutionary history − some 99% of the time we have been around − we wouldn't have seen many images within our own natural environment at all, save some cave paintings or handmade sculptures. While, in Europe, the Renaissance ushered in a new era of image production − which saw the rise of art markets and of artworks made for popular consumption, like printmaking − people still wouldn't have seen anywhere near the number of man-made images that we see today.


In the more than 100,000 generations since the Homo branch of the evolutionary tree emerged, we have evolved to spend far more time looking at the world (and people) around us than at images, never mind images on a screen. Perhaps, it seems, there is an argument for trying to incorporate more of that time away from our screens into our everyday lives today.


https://www.bbc.com/future/article/20241101-how-online-photos-and-vid eos-alter-the-way-you-think
What can be inferred about the impact of social media images on viewers, according to the article?

O texto seguinte servirá de base para responder à questão.



Vianden Castle History


(1º§) The rocky outcrop above the modern town of Vianden was first fortified in late antiquity. Excavations at the foot of the castle chapel in 1994 led to the discovery that parts of the crumbling masonry of the Late Antique tower must have existed in Merovingian times and that this square building, the only surviving structure from the period known as Late Antiquity, was incorporated into the first medieval castle.


(2º§) The first fortification was built at the beginning of Late Antiquity on the castle hill at an ancient crossroads, where a branch of the great Roman road Reims-Cologne through the Ardennes and the valley of Our led to the valley of the Sauer and through Echternach to Bitburg and Trier, at that time a thriving metropolis.


(3º§) After the Vianden fort was abandoned around 430/440 AD, the Roman Tower seems to have been sufficiently usable to remain a decisive element in the subsequent periods of castle building up to the High Middle Ages.


(4º§) The first medieval fortification was erected on the rocky spur overlooking Vianden around the year 1000. The main part of this fortification consisted of an oval ring wall. This defensive wall, meticulously reinforced with small slabs of slate, was exactly one meter wide. As with the ancient wall, this special construction technique allowed archaeologists to retrace it virtually its entire length. The old late antique moat also remained in use during this period. The entire inner surface of the fortification was leveled by filling the lower defensive wall with stones and earth. This complex also included a hall, used for administrative purposes, and a chapel, which was installed in the remains of the late antique tower.


(5º§) Vianden Castle was extensively rebuilt around 1170. The remains of the wooden scaffolding found in the new residential tower made it possible to determine the date of construction using the three-ring dating technique.


(6º§) Important architectural contributions were made, in Gothic style, between the 13th and 14th centuries by the Counts of Vianden. In 1417 the castle became a possession of the Orange-Nassau family who made changes in the Renaissance style. The castle was long in the possession of the grand-ducal family until it became state property in 1977. After this date, it was restored and shines in its former glory. Today, Vianden Castle is one of the most important architectural monuments in Europe being one of the largest and most beautiful feudal residences of the Romanesque and Gothic periods. In the entrance area there is a modern interactive visitor center.


https://www.histouring.com/en/historical-places/vianden-castle/

What historical evidence was used to determine the exact construction period of the new residential tower at Vianden Castle?

O texto seguinte servirá de base para responder a questão.


HVAC Contractors Need to Adapt to Repair Market


Repair or replace is a question homeowners often need to answer, and it greatly impacts an HVAC contractor's business. During COVID, the residential HVAC industry saw a replacement market boom. But in 2023 and now the beginning of 2024, there has been a shift to a repair market that HVAC contractors need to be aware of as they run their businesses.


According to numbers from the Air-Conditioning, Heating and Refrigeration Institute (AHRI), shipments of unitary air conditioners and heat pumps were down 16.7% in 2023, compared to 2022. Gas furnaces were down 23%.


"The replacement market is performing worse when you strip out new construction," said industry leader Matt Michel. "Housing starts were down around 5%, according to the St. Louis Federal Reserve, so the replacement market for unitary air conditioners and heat pumps was down in the low 20s."


Distributors are seeing similar numbers, according to the Heating, Air-conditioning, & Refrigeration Distributors International (HARDI).


"We definitely are seeing a shift here. And that shift has actually been visible for some time," said Tim Fisher, HARDI director of market intelligence.


HARDI receives data from FieldEdge on the invoice and quote trends exhibited by their users. Invoices reflect work that has been completed, whereas quotes reflect potential future work and are most often provided for new system installations. HARDI has found that, over time, the ratio of new invoices to new quotes is a useful indicator of whether a market is trending more toward repair than replace and vice versa.


The numbers show the annual growth rate bottomed out in the spring of 2022 but remained negative through most of the year, indicating that replacement trends were broadly higher in 2022 than in 2021. That figure increased through 2023, peaking in May but generally remaining positive for most of the year. While the three-month growth rate has slowed in recent months — an encouraging sign — they don't expect much of a negative drift in 2024, meaning that repair versus replace trends will broadly remain similar to where they were in 2023.


So why is this change happening? It can't be attributed to any single factor but rather a combination of items. Certainly, higher costs of both HVAC systems and housing in general play a role.


"Adapting to the economy is something contractors need to do. We can't just assume people are going to reach into their pocket and replace," said ACCA CEO Bart James. "Contractors need to help customers get through the current need. People are slowing down on theirspending. People are worried about what is coming and how they are preparing for it. Wages and other things are not keeping up with how fast prices are going up."


James said reading the numbers shows there is a shift in the home improvement market.


"Just look at the Walmart and Home Depot quarterly projections. Walmart did well with more visits but had smaller purchases, while Home Depot did not hit their numbers. That tells you that people are handling investments into housing differently. That will catch up with HVAC, too. "Contractors need to prepare by making investments in their team to meet the needs of the customer. And that need is not always a replacement option but also can be a repair option," James continued.


The sluggish home resale market is another reason for the shift towards a repair market. "Home improvement spending, in aggregate, tends to follow existing home sales totals nationally," Fisher said. "People invest more in their homes prior to selling to boost its value, and new homeowners spend more in their first year of moving than homeowners who stay put. This has major implications for HVAC replacement demand, which, historically, peaks when existing home sales are at their highest and falls off when existing home sales decline.


"Both the 3-month and 12-month growth rates bottomed out earlier in 2023, and while still negative, have slowed significantly," he continued. "We believe that home sale totals are at or nearing their trough, and over the duration of 2024 should steadily improve and finish at or ahead of 2023 totals."


The final reason is the cyclical nature of HVAC. It reflects the shipment cliff from 15 years ago, when the industry contracted 40% after peak shipments in 2005. Contractors cannot replace what was never installed.


How do HVAC contractors deal with this shift? Michel believes they should embrace the repair market.


"The money is better in replacements," he said. "It always has been and always will be. However, margins are better in service. For the next couple of years, anyway, contractors should focus on building up their service business and making money on it."


Since service involves more labor, and labor carries more overhead than equipment and material, keeping a close watch on overhead expenses is a must.


"Contractors need to build the service base, watch your marketing expenses drop, and down the road, the replacement margins and close rates to a satisfied service base will rise," Michel said. "Once we get past the shipment cliff, the replacement market will begin a decade-long run with every year being better than the year before it. We know this because it's what happened in the past, and when it comes to replacements, the past truly is a prologue."


Contractors in most parts of the country are already feeling the pinch of a slower market, and their experiences in 2024 are unlikely to be much different from their experiences in 2023 though rebounds from themilder temperatures we saw during peak months last year would go a long way in improving demand in 2024.


HARDI advises contractors should consider the following six tactics in '24:


  • •Offer financing options: Any homeowner considering a new system is likely going to feel some sticker shock if it's been a few years since they
  • last bought a system. Financing a new system helps to alleviate that shock, making the big sticker prices much more palatable monthly payments.
  • Protect margins: Work to ensure that your pricing for jobs is consistent with market trends, and attempt to pass through as much of the higher system costs as possible. Likewise, now is a critical time to manage operating expenses closely. Together, good cost  management and smart pricing can help protect business margins in 2024.
  • Educate homeowners: Many homeowners may not fully understand the long-term benefits of replacing their HVAC system versus frequent repairs. Offer educational materials, such as blog posts, videos, or pamphlets, explaining the advantages of a new system 
  • in terms of energy efficiency, lower maintenance costs, and improved IAQ. Also, be sure to make clear to your customers which incentives they may qualify for through IRA or other state-level rebate/incentive programs. 
  • Focus on value proposition: Emphasize the value proposition of a new HVAC system, highlighting its reliability, longevity, and performance. Help homeowners understand that investing in a replacement now can save  them money and hassle in the long run.
  • Offer maintenance packages: Create maintenance packages that bundle regular servicing with discounts on repairs or replacements. This can encourage homeowners to invest in preventive maintenance and build a long-term relationship with your company. 
  • Diversify services: Explore diversifying your services beyond just HVAC installations and repairs. For example, you could offer IAQ assessments, smart thermostat installations, or energy audits to provide additional value to homeowners and generate new revenue streams.


https://www.achrnews.com/articles/154324-hvac-contractors-need-to-ad apt-to-repair-market

In the text "HVAC Contractors Need to Adapt to Repair Market," what does the phrase "sticker shock" most likely refer to?

O texto seguinte servirá de base para responder às questões de 1 a 4.

A doll to place your dreams on...

(1º§) "Someday I'm gonna be, exactly like you... till then... I'll make believe I'm you." So went the dulcet tones of Barbie's first ever TV advert in 1959. That year, what would come to be toy company Mattel's most significant and long-lasting creation, Barbie, arrived.

(2º§) She was the brainchild of Ruth Handler; the co-founder, along with her husband Eliot, of Mattel in 1945. According to one of two origin stories (the other involving an adult novelty doll called Bild Lilli, handed out at bachelor parties), Handler noticed her daughter Barbara playing with paper dolls and decided she wanted to give her a doll that was not a baby, but a woman she could aspire to. Barbie, named after her daughter, was born and she premiered at the annual Toy Fair in New York in March 1959. In the first year, 300,000 Barbie dolls were sold.

(3º§) She was 'petite' as the advert chimes, with all the latest clothes and accessories. Among these was, of course, a wedding dress. Her immediate MO was clearly as a stylish and sophisticated style maven, the kind of svelte, pretty woman young girls wanted to be − at least in 1959. Her first ever outfit − as exemplified in Gerwig's initial teaser trailer for the Barbie movie − was a black and white swimsuit, with white heels and white-rimmed sunglasses. Unsurprisingly, by 1961, she was 'going steady' with Ken (oddly named after the Handlers' son).

Courting controversy

(4º§) By the 1960s, Barbie was already attracting criticism for being a 'sex symbol'. To counteract this, the Handlers gave her a little sister, Skipper (originally a child and now sold as a teenager), and a best friend, Midge − who would go to have her own chequered history. Fashioned as a 'homelier' friend for Barbie (with red hair and freckles) Midge would disappear after 1967, returning in the 1980s along with a husband, kids and a 'Happy Family Line' of toys, which even included Pregnant Midge (with a detachable womb!). The line courted scandal from every angle − among which was outrage that Midge was pregnant without a wedding ring. Cannily, Gerwig has lined up Emerald Fennell to play Midge. Yes, Pregnant Midge.

(5º§) Though to many Barbie was too conventional − with her improbable proportions and origins as a doll who aspires to, essentially, marry Ken − to many she was too progressive. Indeed, as early as 1968, nine years after Barbie's invention, Mattel introduced their first Black doll, Christie, a friend of Barbie. Christie arrived at a fecund point in American politics, just as the Civil Rights Act of 1968 − enshrining the illegality of racial discrimination − was passed.

(6º§) It would not be until 1980, however, that Mattel would produce its first Black Barbie. She was designed by Kitty Black Perkins, who was then chief designer for Barbie. She bought her first Barbie doll aged 28, when interviewing for the position, when she was asked to create a whole new wardrobe for the doll. She was chief designer for more than 30 years and, in 1979, she was asked to design the first ever Black Barbie. When she arrived, she was wearing a red disco jumpsuit and came with the tagline: "She's Black! She's beautiful! She's dynamite!"

(adapted) https://www.harpersbazaar.com/uk/culture/entertainment/a44129282/

In response to criticism that Barbie was seen as a 'sex symbol,' what did the Handlers do to counteract this perception?

How online photos and videos alter the way you think



The images we are exposed to on social media and internet websites have a surprising influence on the way we view the world.


Every day we are bombarded with digital images. They appear on our social media feeds, in our search results and the websites we browse. People send them to us via messaging apps or over email. By the end of today, billions more will have been uploaded and shared online.


With the average user spending 6 hours and 40 minutes per day on the internet, according to one report, these images make up a significant portion of our everyday visual input.


And, recent research indicates that they may even be influencing our perceptions.


One study published earlier this year analysed images on Google,Wikipedia and the Internet Movie Database (IMBD), specifically looking at what genders predominated when they searched for different occupations − such as "farmer", "chief executive officer" or "TV reporter". The findings were stark. Although women were underrepresented overall, gender stereotypes were strong. Categories like "plumber", "developer", "investment banker" and "heart surgeon" were far more likely to be male. "Housekeeper", "nurse practitioner", "cheerleader" and "ballet dancer" tended to be female.


So far, so unsurprising. Anecdotally, I found the same phenomenon myself in 2019, when I was trying to find gender-balanced images for this website. Searching on Getty Creative, one of our main stock photo sites, I had found that photographs of male doctors outstripped female doctors by three to one − even though in the US, for example, physicians under 44 at the time were more likely to be female than male. This depiction of medical professionals were only part of the problem. There were twice as many options for photos of women with babies, or for that matter, of women with salads, as of men.


The more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves


The latest study, however, took this a step further. Rather than just showing the extent of gender bias in online imagery, the researchers tested whether exposure to these images had any impact on people's own biases. In the experiment, 423 US participants used Google to search for different occupations. Two groups searched by text, using either Google or Google News; another group used Google Images, instead. (A control group also used Google, but to search for categories unrelated to occupations, like "apple" and "guitar"). Then all participants were given an "implicit association test",which measures implicit biases.


Compared to Googling text-based descriptions of occupations, the participants who used Google Images and received visual representations in response showed much higher rates of implicit gender bias after the experiment − both immediately after and three days later.


"The rise of images in popular internet culture may come at a critical social cost," the researchers write. "Our findings are especially alarming given that image-based social media platforms such as Instagram, Snapchat and TikTok are surging in popularity, accelerating the mass production and circulation of images. In parallel, popular search engines such as Google are increasingly incorporating images into their core functionality, for example, by including images as a default part of text-based searches."


There's another growing problem, too: how the images already circulating online are informing and shaping AI models. Earlier this year, I experimented with this myself. I asked ChatGPT to create images for me of dozens of various professionals: doctor, lawyer, scientist, comedian, poet, teacher, customer service representative, nutritionist, thought leader, CEO, expert. Except for two or three results − dental hygienist, nurse and housekeeper − it delivered, again and again, a man. And not just a man, but a slim white man around his 30s with a crop of flowing brown hair.


In a later attempt, trying to get away from career bias, I asked ChatGPT to come up with different sorts of people for me: someone "smart", someone "successful", someone watching an opera, someone watching the show Love Is Blind, someone who quit their job to take care of the kids. Once again, over and over, I got the white guy with the lustrous hair.


Obviously, models like ChatGPT are learning based on the imagery that already exists. But, once again, this may perpetuate a vicious cycle: the more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves. And the more biased we become, the more we create and upload our own biased imagery.


So what can be done? A good deal of responsibility lies with the tech and AI companies. But even when their intentions are good, there doesn't seem to be an easy fix. In its attempt to correct for racial, gender and other biases, for example, Google's AI tool Gemini sometimes overcorrected − one image it generated of the US Founding Fathers included a black man, for example, while an image of German soldiers from World War Two featured a black man and an Asian woman.


In the meantime, we need to take control of shaping our digital visual world ourselves.


While it seems obvious, the fact that we can − to a certain extent − curate our social media feeds often goes overlooked. Seeking out accounts and influencers who are of different ethnic and racial backgrounds, or photographers from different parts of the woresults we get by altering the way we phrase the initial query.


The most effective strategy of all might be reclaiming our time. In the eponymous "digital detox plan" of art entrepreneur Marine Tanguy's book The Visual Detox: How to Consume Media Without Letting It Consume You, for example, there are no surprises, but some good, solid reminders − such as putting limits on when you look at a screen or your phone, deleting apps you aren't using, and spending time outside without technology.


I became aware recently that even my several-year-old phone has a timer you can switch on for various apps, choosing whatever time period per day you'd like. While I can't say that I've always heeded its warning when I hit my limit, it's helped me become much more aware of, and cut down on, my social media usage. As we have covered before, putting your phone in another room entirely seems to keep even the thought of checking it at bay.


Above all else, however, it may be awareness that is key. We don't often think about our visual consumption or consider how often we're surrounded by images that have been deliberately created and served to us, often to persuade us to purchase something.


Nor do we think about just how strange and new a phenomenon that is. For the vast majority of human evolutionary history − some 99% of the time we have been around − we wouldn't have seen many images within our own natural environment at all, save some cave paintings or handmade sculptures. While, in Europe, the Renaissance ushered in a new era of image production − which saw the rise of art markets and of artworks made for popular consumption, like printmaking − people still wouldn't have seen anywhere near the number of man-made images that we see today.


In the more than 100,000 generations since the Homo branch of the evolutionary tree emerged, we have evolved to spend far more time looking at the world (and people) around us than at images, never mind images on a screen. Perhaps, it seems, there is an argument for trying to incorporate more of that time away from our screens into our everyday lives today.


https://www.bbc.com/future/article/20241101-how-online-photos-and-vid eos-alter-the-way-you-think
In the sentence "The more biased images AI models themselves spit out, the more we see; the more we see, the more implicitly biased we become ourselves," the author uses this structure to emphasize:

O texto seguinte servirá de base para responder à questão.



Vianden Castle History


(1º§) The rocky outcrop above the modern town of Vianden was first fortified in late antiquity. Excavations at the foot of the castle chapel in 1994 led to the discovery that parts of the crumbling masonry of the Late Antique tower must have existed in Merovingian times and that this square building, the only surviving structure from the period known as Late Antiquity, was incorporated into the first medieval castle.


(2º§) The first fortification was built at the beginning of Late Antiquity on the castle hill at an ancient crossroads, where a branch of the great Roman road Reims-Cologne through the Ardennes and the valley of Our led to the valley of the Sauer and through Echternach to Bitburg and Trier, at that time a thriving metropolis.


(3º§) After the Vianden fort was abandoned around 430/440 AD, the Roman Tower seems to have been sufficiently usable to remain a decisive element in the subsequent periods of castle building up to the High Middle Ages.


(4º§) The first medieval fortification was erected on the rocky spur overlooking Vianden around the year 1000. The main part of this fortification consisted of an oval ring wall. This defensive wall, meticulously reinforced with small slabs of slate, was exactly one meter wide. As with the ancient wall, this special construction technique allowed archaeologists to retrace it virtually its entire length. The old late antique moat also remained in use during this period. The entire inner surface of the fortification was leveled by filling the lower defensive wall with stones and earth. This complex also included a hall, used for administrative purposes, and a chapel, which was installed in the remains of the late antique tower.


(5º§) Vianden Castle was extensively rebuilt around 1170. The remains of the wooden scaffolding found in the new residential tower made it possible to determine the date of construction using the three-ring dating technique.


(6º§) Important architectural contributions were made, in Gothic style, between the 13th and 14th centuries by the Counts of Vianden. In 1417 the castle became a possession of the Orange-Nassau family who made changes in the Renaissance style. The castle was long in the possession of the grand-ducal family until it became state property in 1977. After this date, it was restored and shines in its former glory. Today, Vianden Castle is one of the most important architectural monuments in Europe being one of the largest and most beautiful feudal residences of the Romanesque and Gothic periods. In the entrance area there is a modern interactive visitor center.


https://www.histouring.com/en/historical-places/vianden-castle/

According to the text, which architectural style dominated the enhancements made to Vianden Castle between the 13th and 14th centuries?

O texto seguinte servirá de base para responder a questão.


HVAC Contractors Need to Adapt to Repair Market


Repair or replace is a question homeowners often need to answer, and it greatly impacts an HVAC contractor's business. During COVID, the residential HVAC industry saw a replacement market boom. But in 2023 and now the beginning of 2024, there has been a shift to a repair market that HVAC contractors need to be aware of as they run their businesses.


According to numbers from the Air-Conditioning, Heating and Refrigeration Institute (AHRI), shipments of unitary air conditioners and heat pumps were down 16.7% in 2023, compared to 2022. Gas furnaces were down 23%.


"The replacement market is performing worse when you strip out new construction," said industry leader Matt Michel. "Housing starts were down around 5%, according to the St. Louis Federal Reserve, so the replacement market for unitary air conditioners and heat pumps was down in the low 20s."


Distributors are seeing similar numbers, according to the Heating, Air-conditioning, & Refrigeration Distributors International (HARDI).


"We definitely are seeing a shift here. And that shift has actually been visible for some time," said Tim Fisher, HARDI director of market intelligence.


HARDI receives data from FieldEdge on the invoice and quote trends exhibited by their users. Invoices reflect work that has been completed, whereas quotes reflect potential future work and are most often provided for new system installations. HARDI has found that, over time, the ratio of new invoices to new quotes is a useful indicator of whether a market is trending more toward repair than replace and vice versa.


The numbers show the annual growth rate bottomed out in the spring of 2022 but remained negative through most of the year, indicating that replacement trends were broadly higher in 2022 than in 2021. That figure increased through 2023, peaking in May but generally remaining positive for most of the year. While the three-month growth rate has slowed in recent months — an encouraging sign — they don't expect much of a negative drift in 2024, meaning that repair versus replace trends will broadly remain similar to where they were in 2023.


So why is this change happening? It can't be attributed to any single factor but rather a combination of items. Certainly, higher costs of both HVAC systems and housing in general play a role.


"Adapting to the economy is something contractors need to do. We can't just assume people are going to reach into their pocket and replace," said ACCA CEO Bart James. "Contractors need to help customers get through the current need. People are slowing down on theirspending. People are worried about what is coming and how they are preparing for it. Wages and other things are not keeping up with how fast prices are going up."


James said reading the numbers shows there is a shift in the home improvement market.


"Just look at the Walmart and Home Depot quarterly projections. Walmart did well with more visits but had smaller purchases, while Home Depot did not hit their numbers. That tells you that people are handling investments into housing differently. That will catch up with HVAC, too. "Contractors need to prepare by making investments in their team to meet the needs of the customer. And that need is not always a replacement option but also can be a repair option," James continued.


The sluggish home resale market is another reason for the shift towards a repair market. "Home improvement spending, in aggregate, tends to follow existing home sales totals nationally," Fisher said. "People invest more in their homes prior to selling to boost its value, and new homeowners spend more in their first year of moving than homeowners who stay put. This has major implications for HVAC replacement demand, which, historically, peaks when existing home sales are at their highest and falls off when existing home sales decline.


"Both the 3-month and 12-month growth rates bottomed out earlier in 2023, and while still negative, have slowed significantly," he continued. "We believe that home sale totals are at or nearing their trough, and over the duration of 2024 should steadily improve and finish at or ahead of 2023 totals."


The final reason is the cyclical nature of HVAC. It reflects the shipment cliff from 15 years ago, when the industry contracted 40% after peak shipments in 2005. Contractors cannot replace what was never installed.


How do HVAC contractors deal with this shift? Michel believes they should embrace the repair market.


"The money is better in replacements," he said. "It always has been and always will be. However, margins are better in service. For the next couple of years, anyway, contractors should focus on building up their service business and making money on it."


Since service involves more labor, and labor carries more overhead than equipment and material, keeping a close watch on overhead expenses is a must.


"Contractors need to build the service base, watch your marketing expenses drop, and down the road, the replacement margins and close rates to a satisfied service base will rise," Michel said. "Once we get past the shipment cliff, the replacement market will begin a decade-long run with every year being better than the year before it. We know this because it's what happened in the past, and when it comes to replacements, the past truly is a prologue."


Contractors in most parts of the country are already feeling the pinch of a slower market, and their experiences in 2024 are unlikely to be much different from their experiences in 2023 though rebounds from themilder temperatures we saw during peak months last year would go a long way in improving demand in 2024.


HARDI advises contractors should consider the following six tactics in '24:


  • •Offer financing options: Any homeowner considering a new system is likely going to feel some sticker shock if it's been a few years since they
  • last bought a system. Financing a new system helps to alleviate that shock, making the big sticker prices much more palatable monthly payments.
  • Protect margins: Work to ensure that your pricing for jobs is consistent with market trends, and attempt to pass through as much of the higher system costs as possible. Likewise, now is a critical time to manage operating expenses closely. Together, good cost  management and smart pricing can help protect business margins in 2024.
  • Educate homeowners: Many homeowners may not fully understand the long-term benefits of replacing their HVAC system versus frequent repairs. Offer educational materials, such as blog posts, videos, or pamphlets, explaining the advantages of a new system 
  • in terms of energy efficiency, lower maintenance costs, and improved IAQ. Also, be sure to make clear to your customers which incentives they may qualify for through IRA or other state-level rebate/incentive programs. 
  • Focus on value proposition: Emphasize the value proposition of a new HVAC system, highlighting its reliability, longevity, and performance. Help homeowners understand that investing in a replacement now can save  them money and hassle in the long run.
  • Offer maintenance packages: Create maintenance packages that bundle regular servicing with discounts on repairs or replacements. This can encourage homeowners to invest in preventive maintenance and build a long-term relationship with your company. 
  • Diversify services: Explore diversifying your services beyond just HVAC installations and repairs. For example, you could offer IAQ assessments, smart thermostat installations, or energy audits to provide additional value to homeowners and generate new revenue streams.


https://www.achrnews.com/articles/154324-hvac-contractors-need-to-ad apt-to-repair-market

According to the text, how does the annual growth rate of HVAC market trends in 2023 compare to 2022?
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