Question

Define dam . Write some advantages of dam

Answer 1

 advantage is linked to the purpose. You can build a dam to provide drinking water, recreation, flood control, power generation or a small dam for livestock. The advantage of each also has some possible disadvantages.

Answer 2

Dam is a wall built across a river to hold back the water and form a lake(reservoir) behind it.
Advantages of a dam are -
1) Provides drinking water.
2) Provides recreation.
3) Plays a vital role in flood control.
4) Helps in Hydroelectric power generation by using water.
5) A small dam is also suitable for livestock.
6) Can be kept in use for many years.
7) Can develop a tourist spot around the dam.
8) Lakes formed with dam can be used for water sports.
9) Production of energy does not produces any harmful gases and doesn't pollutes the environment.
10) It can also be used for Navigation and Irrigation purposes.
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