.Why do climatologists study ice cores from ancient glaciers?
To find out what the ancient glacier is made of.
To find out how long humans have lived on Earth.
To find out what existed in the ancient atmosphere.
None of the above.
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Answer:
Examining the gasses trapped in ice cores is how scientists first learned that the amount of carbon dioxide and the global temperature have been linked at least the last million years of Earth's history.
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Answer: C. To find out what existed in the ancient atmosphere.
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