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O cartum ilustra que o aumento de temperatura - UNESP 2021/Prova II

Leia o texto para responder às questões de 21 a 24.

When will the Amazon hit a tipping point?

Scientists say climate change, deforestation and fires could cause the world’s largest rainforest to dry out. The big question is how soon that might happen. Seen from a monitoring tower above the treetops near Manaus, in the Brazilian Amazon, the rainforest canopy stretches to the horizon as an endless sea of green. It looks like a rich and healthy ecosystem, but appearances are deceiving. This rainforest — which holds 16,000 separate tree species — is slowly drying out.
Over the past century, the average temperature in the forest has risen by 1-1.5 °C. In some parts, the dry season has expanded during the past 50 years, from four months to almost five. Severe droughts have hit three times since 2005. That’s all driving a shift in vegetation. In 2018, a study reported that trees that do best in moist conditions, such as tropical legumes from the genus Inga, are dying. Those adapted to drier climes, such as the Brazil nut tree (Bertholletia excelsa), are thriving.
At the same time, large parts of the Amazon, the world’s largest rainforest, are being cut down and burnt. Tree clearing has already shrunk the forest by around 15% from its 1970s extent of more than 6 million square kilometres; in Brazil, which contains more than half the forest, more than 19% has disappeared. Last year, deforestation in Brazil spiked by around 30% to almost 10,000 km², the largest loss in a decade. And in August 2019, videos of wildfires in the Amazon made international headlines. The number of fires that month was the highest for any August since an extreme drought in 2010.

(www.nature.com, 25.02.2020. Adaptado.)

O cartum ilustra que o aumento de temperatura, também citado no texto,

1. causa mudanças substanciais apenas em climas frios.

2. deve interromper a evaporação das águas e levar a chuvas ou secas intensas.

3. irá causar grande impacto ambiental, climático e ecossistêmico.

4. contribui indiretamente para a expansão de grandes biomas.

5. pode postergar o aumento do nível dos rios e oceanos.

Solução

Alternativa Correta: C) irá causar grande impacto ambiental, climático e ecossistêmico.

Tradução do cartum: Afinal, que diferença faz um aquecimento de 1.5 °C ?

Resolução adaptada de: Curso Objetivo

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Recebedor: Wesley Rodrigues

Institução: UNESP

Ano da Prova: 2021

Assuntos: Pronúncia

Vídeo Sugerido: YouTube