Question

If a dam is built at aperticular place what changes will be seen in the environment​

Answer 1

Answer:

advantages

1. irrigation of crops
2. producing electricity
3. supplying water to towns & cities

4. to control floods

disadvantages

1. social problems- it displaces a large no. of people who have to be rehabilitated
2. economic problems- it is expensive & uses huge amount of public money
3. environmental problems- it causes deforestation & loss of biodiversity

Answer 2

Explanation:

it is needed for irrigation of crops it is needed for product of crops and it is needed for supply water to the cities and it is needed for control the flood