The reason behind broadening the river valley is
A. Corrosion
B. Soil Erosion
C. Attrition
D. Hydraulic Action
Answer: Option B
Solution(By Examveda Team)
The reason behind broadening the river valley is soil erosion. As the river water comes in contact with soil and rocks on its banks, it weathers up the material & after sometime this weathered up material is eroded away by same river water. Hence river valley is broadened.Related Questions on Hydrosphere
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