Question

How can soil erosion by river floods be controlled?

• A. By making canals
• B. By pumping water from river
• C. By constructing dams across the rivers
• D. By letting water flow freely at high speed

Answer 1

The correct option is C By constructing dams across the rivers

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.