Recent evidence shows that the last time the northern coast of Greenland was ice free and considerably warmer than the present was...
A ...in the Pliocene, 4.2 million years ago
B ...in the Pleistocene, 1.2 million years ago
C ...in the current interglacial, the Holocene, about 7000 years ago
D ...in the previous interglacial, the Eemian, 120,000 years ago
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