Q949941 • Matemática • Poliedros • UNICENTRO • UNICENTRO • Segunda Etapa From the sentence “mobile phones have only been popular since the 1990s", it is possible to understand that: a) Mobile phones were only popular in the 1990s ✂️ b) Mobile phones are more popular nowadays than in the 1990s. ✂️ c) Mobile phones were popular in the 1990s and are still popular these days. ✂️ d) Mobile phones were popular in the 1990s but their popularity has faded since then. ✂️ Resolver