Bunds, dams and drains are constructed to prevent:
Correct answer: C. Gully erosion
- A. Stream bank erosion
- B. Sheet erosion
- C. Gully erosion
- D. Slip erosion
Explanation
Dams and drainage structures slow concentrated runoff and trap sediment in channels, thereby checking the enlargement of gullies. Bunds also reduce runoff, although they are especially associated with controlling sheet and rill erosion.
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