Multiple Choice
Ice core data have revealed which of the following?
A) all of the answers listed here.
B) Earth's climate has been remarkably stable for the past 10,000 years.
C) current carbon dioxide concentrations are far outside of Earth's recent operating range.
D) Earth's climate shows a history of abrupt and rapid changes in temperature.
E) there's a strong correlation between atmospheric carbon dioxide and temperature.
Correct Answer:

Verified
Correct Answer:
Verified
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