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Which of the following is a line of evidence that supports the assertion of global warming, especially over the past 30 years? Choose one: A. The spatial area of permafrost regions in low latitudes has substantially increased. B. Sea ice has increased substantially, at a rate of about 3% per decade. C. The rate of ice loss on the Greenland ice sheet has decreased. D. Large ice shelves, such as the Larsen B in Antarctica, are breaking up.

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Answer:

D. Large ice shelves, such as the Larsen B in Antarctica, are breaking up.

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