In square kilometers (square miles), which of the following is closest to the amount of land surface covered by Pleistocene ice?

A) 1 thousand (386)
B) 50 thousand (19,300)
C) 1 million (386,000)
D) 50 million (19,300,000)
E) 1 billion (386,000,000)


Answer: D

Environmental & Atmospheric Sciences

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