_________are sharp ridges that form when glaciers erode parallel valleys.
A) Arêtes
B) Eskers
C) Bergschrunds
D) Drumlins
Correct Answer:
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Q17: Which of the following is NOT true?
A)Decreases
Q18: Why is glacial ice analogous to a
Q19: Approximately,what percentage of Earthʹs freshwater is frozen?
A)10%
B)25%
C)50%
D)75%
Q20: The process of calving produces
A)nunataks.
B)icebergs.
C)moraines.
D)tidewater glacier.
Q21: During a glacier surge,a glacier may move
Q23: Glacial polish results from
A)abrasion.
B)ablation.
C)regelation.
D)ice plucking.
Q24: Which of the following is NOT an
Q25: A glacierʹs mass balance is determined by
A)ablation.
B)accumulation.
C)both
Q26: An asymmetrical hill of exposed bedrock produced
Q27: The upper portion of a glacier flows_
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