Assume you are a climatologist analyzing carbon dioxide bubbles trapped in an ice core. The cross section of ice core you are looking at is 1 million years old. During your analysis, you find that there is a greater quantity of carbon dioxide in the ice core than there is today. What does this tell you?
A) The past climate was warmer than today.
B) The past climate was cooler than today.
C) the past climate was the same as today.
Correct Answer:
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