Geography · Glacial Landforms
During the transformation of a V-shaped river valley into a U-shaped glacial valley, how does the erosion of the valley sides compare to that of its floor?
- 1Erosion of both the sides and the floor ceases completely due to freezing
- 2Erosion occurs strictly on the floor, while the sides experience net deposition
- 3Erosion of the sides is enhanced relative to the floor, widening the valley and creating steep walls✓
- 4Erosion of the floor is significantly greater than the sides, leading to a deeper canyon
Correct answer
Erosion of the sides is enhanced relative to the floor, widening the valley and creating steep walls
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