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yuradex [85]
3 years ago
12

How does a dam prevent erosion​

Social Studies
1 answer:
alexandr1967 [171]3 years ago
5 0

Answer:

Dams are mostly constructed using rocks, sediment retention fiber rolls, stones, sand and gravel bags. Once a check dam is properly installed, it reduces the velocity of runoff, prevents erosion and ensures sedimentation.

hope this helps and good luck

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