Question

report on the advantages and disadvantage of dams

Answer 1

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Answer 2

advantages :

a) Economical: The cost of operating a hydroelectric plant is nearly immune to increases in the cost of fossil fuels. Operating labour cost is also low.

(b) Safe: Hydroelectricity produces the least amount of greenhouse gases.

Disadvantages of dams:

(a) Failure Hazard:

In the case of failure of dams, millions of people become homeless, sick and even die.

(b) Limited Service Life:

As rivers convey silt higher the siltation, lower will be the service life of dam.

(c) Environmental Damage:

Dams are responsible for habitat fragmentation, aquatic ecosystem disruption, and greenhouse gas emissions.