How can soil erosion by river floods be controlled?
By making canals
By pumping water from river
By constructing dams across the rivers
By letting water flow freely at high speed
A
By making canals
B
By constructing dams across the rivers
C
By pumping water from river
D
By letting water flow freely at high speed
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Solution
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The soil erosion by river floods can be avoided by constructing dams across the rivers. This checks the speed of water and saves soil from erosion. Therefore, the correct answer is option C.
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