Question

state the advantages of constructing dams across the river

Answer 1

1. Water from a dam is used for irrigation in fields through a network of canals. Dams ensure round the year water supply to the crop fields and help raise agricultural production.
2. The water rushing down the dam turns turbines which run electric generators to generate electricity.
3. It's main purpose is to control floods.
4.It is used in storing water for uses such as irrigation etc.

Answer 2

Hi mate your answer is...
The advantages of constructing dams across the river are as---
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. ... Most dams contain sediment storage, and at some point this storage is filled, at the end of the design life of the structure.
I hope you will get your answer.
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