Geography · Glacial Landforms
Which factor primarily slows down the movement of the basal or bottom layers of a moving glacier compared to its upper layers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Lower pressure exerted by the weight of overlying ice
- 2The absence of internal deformation within the ice
- 3Friction between the ice and the underlying bedrock✓
- 4Increased solar radiation at the bottom
Correct answer
Friction between the ice and the underlying bedrock
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