Question
Widening of a river valley takes place due to
Answer: Option D
Answer: (d)
Lateral or sideways erosion widens the river valley; while, Vertical or downward erosion deepens the river valley. Due to continued lateral erosion, the river valley increasingly becomes broader and shallower.
The valley slopes are also eroded by weathering and mass wasting and by the development of tributary valleys.
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Answer: (d)
Lateral or sideways erosion widens the river valley; while, Vertical or downward erosion deepens the river valley. Due to continued lateral erosion, the river valley increasingly becomes broader and shallower.
The valley slopes are also eroded by weathering and mass wasting and by the development of tributary valleys.
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