Question

mention any two advantages and disadvantages of producing hydroelectricity by dam on river

Answer 1

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Answer 2

Advantages of producing hydroelectric by  dams on rivers are:

1.The generation of electricity from water does not produce any environmental pollution.

2.Water energy is a renewable source of electric energy which will never get exhausted.

Disadvantages of producing hydroelectric by  dams on rivers are:

1.A vast variety of flora and fauna (plants and animals) get affected.

2.Dams can be constructed only at a limited number of places.