Multiple Choice
Carbon sinks have generally matched the addition of carbon dioxide to the atmosphere until ________.
A) the end of the last ice age,approximately 16,000 years ago
B) the Little Ice Age,approximately 400 years ago
C) the onset of intensive industry and fossil fuel burning by humans,around the year 1850
D) the Eocene Epoch,approximately 50 million years ago
Correct Answer:
Verified
Correct Answer:
Verified
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