Which of the following is relative to the Pleistocene ice age epoch?
A) it began 1.65 billion years ago.
B) it produced ice sheets and glaciers that covered 30 percent of Earth's land area.
C) at least 28 expansions of ice occurred over Europe and North America.
D) it represents a single continuous cold spell.
E) air and sea surface temperatures were at least 20 C° colder than today.
Correct Answer:
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