FGV-SP 2012

STORMS BREWING
by Elizabeth Kolbert
1 Last week, the Chinese government estimated that more than four million people were having trouble finding drinking water, owing to a drought along the Yangtze River. The French agricultural minister warned that an exceptionally hot, dry spring would reduce that country’s wheat harvest. And in Colombia more than two million acres of land have been submerged after almost a year of nearly continuous rain. “Over the past ten months, we have registered five or six times more rainfall than usual,” the director of Colombia’s meteorological agency, Ricardo Lozano, said.


2 For decades, climate scientists have predicted that, as global temperatures rose, the side effects would include deeper droughts, more intense flooding, and more ferocious storms. The details of these forecasts are immensely complicated, but the underlying science is pretty simple. Warm air can hold more moisture. This means that there is greater evaporation. It also means that there is more water, and hence more energy, available to the system.

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In paragraph 2, the phrase “…the underlying science is pretty simple” most likely refers to which of the following?

Escolha uma das alternativas.