Which of the following is a benefit of dams? a) they provide a source of energy b) they impede fish migration and spawning c) they divert water from ecosystems d) they increase the sediment load of waterways

The answer is: A) They provide a source of energy

We currently generate our electricity by putting magnet on spinning turbine (the faster the turbine rotate, the more electricity that we can generate)

By creating dams, we can control the flow of water in the dam by closing or opening the dams' doors. This flow of water is strong enough to rotate the turbine to generate electricity. This is why we can say that dams provide source of energy.

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a and c are the answeres