A glacier's mass balance is determined by
A) accumulation only.
B) ablation only.
C) sublimation only.
D) both accumulation and ablation.
E) accumulation,ablation,and sublimation.
Correct Answer:
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Q22: The type of glacier that dominates Greenland
Q23: The basal slip is usually _than the
Q24: Vatnajökull is the largest and most voluminous
Q25: In terms of areal extent,which of the
Q26: Glacial polish results from
A)abrasion.
B)ice plucking.
C)regelation.
D)ablation.
E)glacial erratics.
Q28: Most of Earth's glacial ice exists in
A)valley
Q29: Which of the following is incorrect about
Q30: The process of calving produces
A)moraines.
B)nunataks.
C)tidewater glacier.
D)icebergs.
E)ice sheets.
Q31: An asymmetrical hill of exposed bedrock produced
Q32: Crevasses usually form as a result of
A)friction
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