Multiple Choice
Which of the following represents the most recent time that thick sheets of ice advanced over North America as far south as New York?
A) 18,000 to 22,000 years ago
B) 45,000 to 50,000 years ago
C) 250,000 to 500,000 years ago
D) 2 million years ago, at the beginning of the Pleistocene epoch
Correct Answer:
Verified
Correct Answer:
Verified
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