Multiple Choice
Which of the following is false regarding the Pleistocene ice sheets in North America?
A) At their maximum, they extended only to the present-day Canadian border.
B) Their maximum thickness was about 2 km (1.2 mi) .
C) They had a drastic effect on the landscape.
D) They disappeared by 7,000 years ago.
E) The edges of the ice sheets were not even; rather, they were characterized by ice lobes that formed curved edges.
Correct Answer:

Verified
Correct Answer:
Verified
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