Answer:
Humans are increasingly influencing the climate and the earth's temperature by burning fossil fuels, cutting down rainforests and farming livestock. This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming.
One of the most important roles of the rainforest is <span>moderate destructive drought and rain cycles in local areas.
There are many more important roles that a rainforest may play, some of them were mentioned by the person above.</span>
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The populations become completely separated from one another</span>
C! water vapor freezes into crystals
