The geologic evidence that much of North America and Europe was covered with glaciers until about 10,000 years ago provided evidence that
A. the kinds of plants and animals present at the time were adapted to cooler temperatures.
B. sea level fell because water was tied up in glaciers.
C. there has been great change in climate during the time humans have been present.
D. All of these statements are correct.
E. None of these statements is correct.
Answer: D
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