In a school debate about climate change, Ana argued that human activities are the main cause of recent global…

Questão

In a school debate about climate change, Ana argued that human activities are the main cause of recent global warming. She referred to scientific measurements showing that the average global temperature has increased as carbon dioxide emissions from burning coal, oil, and gas have grown. Bruno agreed that temperatures are rising, but argued that public policies can reduce the problem. He cited the expansion of solar and wind energy in several countries and the reduction of emissions after some cities invested in public transportation. Both students concluded that climate change is real, has a strong human cause, and can be limited by effective policies. Based on the debate, which alternative correctly identifies the students’ main arguments and the evidence they used to support them?

1. A) Human activities increase carbon dioxide, as shown by emission data; climate change is unavoidable, as shown by the growth of solar and wind energy.
2. B) Human activities drive recent warming, as shown by temperature and emission data; effective policies can reduce the problem, as shown by cleaner energy and public transportation.
3. C) Recent warming is mainly natural, as shown by rising temperatures; public policies cannot solve it, as shown by the continued use of fossil fuels.
4. D) Carbon dioxide emissions cause every weather event, as shown by temperature data; solar and wind energy increase emissions, as shown by city investments.
5. E) Temperatures are rising, as shown by scientific measurements; climate change is a myth, as shown by investments in public transportation.

✅ Resposta correta: alternativa B

Resolução passo a passo

1. Identifique o argumento de Ana. Ela afirma que as atividades humanas são a principal causa do aquecimento global recente, apoiando-se em medições de temperatura média global que sobem junto com as emissões de dióxido de carbono provenientes da queima de carvão, petróleo e gás.
2. Identifique o argumento de Bruno. Ele concorda que as temperaturas estão subindo, mas defende que políticas públicas podem reduzir o problema, citando a expansão da energia solar e eólica e a redução de emissões em cidades que investiram em transporte público.
3. Compare com as alternativas. A alternativa B descreve corretamente os dois argumentos: atividades humanas como causa do aquecimento recente, sustentado por dados de temperatura e emissões, e políticas eficazes como forma de reduzir o problema, sustentado por energia limpa e transporte público. Essa é a alternativa correta, e coincide com o gabarito oficial.
4. Por que as outras estão erradas. A alternativa A troca a conclusão de Bruno: ninguém afirmou que a mudança climática é inevitável, e o crescimento da energia solar e eólica é evidência de ação, não de inevitabilidade. A alternativa C inverte as posições dos dois estudantes, pois ambos afirmam que a causa é humana e que políticas podem ajudar. A alternativa D distorce a fala de Ana e inventa que a energia solar aumenta emissões, o que contradiz o argumento de Bruno. A alternativa E atribui a Bruno a negação da mudança climática, quando ele aceita que as temperaturas sobem.

💡 Dica: Identifique os argumentos principais e busque evidências que os sustentem.

Alternativa por alternativa

Raio-X da questão

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