Question

Which of the following is NOT an impact caused by dams?

Answer 1

C.  Fish ladders are quite successful in letting fish  swim upstream to spawn.

Explanation:

Construction of fish ladders which are letting fish to swim upstream to spawn is not an impact caused by dams.

Dams are structures that helps to control the flow of water. They store water for other commercial uses.

These structures have immense impact on the surround around and fresh water ecosystem.

• Fish ladders are water ways that allows the movement of fish.
• They are also known as fish ways.
• Construction of fish ladders is not an impact of water damming.

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