Question

a dam built for hydel power generation has advantages and disadvantages. Why?
answer in brief​

Answer 1

Answer:

Advantages of Hydroelectricity: It is a clean and non-polluting source of energy. No fuel is required.

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Disadvantages of Hydroelectricity:

Highly expensive.

Large areas of human habitation and agricultural fields are submerged.

Dams can be made in limited areas.