Question

Stable isotopic analysis of oxygen from ice cores dating to the Holocene indicates that:
a. the last 50 yBP were the coldest period in the last 700,000 yBP.
b. the last 50 yBP were the warmest period in the last 9,000 yBP.
c. the last 50,000 yBP have been the warmest on record.
d. the last 100,000 yBP have been the warmest on record.

Answer

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