Which of the following is not generally true of the basal layer of a glacier?
A) It can extend tens of meters above the ground surface.
B) It tends to flow more slowly than the overlying parts of the glacier.
C) It contains more debris than other parts of the glacier.
D) Crevafsses form in this region of the glacier.
Answer: D) Crevafsses form in this region of the glacier.
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