The following types of check dams have been tried in Pakistan:
Correct answer: C. All of the above
- A. Brushwood check dams
- B. Loose stone or wire-bound check dams
- C. All of the above
- D. Cement & stone check dams
Explanation
Pakistan has used brushwood, loose-stone or wire-bound, and cement-and-stone check dams to slow runoff and trap sediment. The appropriate structure depends on the channel, available materials, and expected flow force.
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