Which is the correct option to complete the text below?Water shortages d...

Which is the correct option to complete the text below?
Water shortages don't just affect ______ (1). _____ (2) can also
seriously harm ______ (3) environment. ________ (4) water comes from
rivers and groundwater so every drop ________ (5) use has a direct
effect on the _________ (6) environment.
(Adapted from: http: / /www.environment-agency.gov.uk)