What are the advantages and disdadvantages of dams that are changing the flow of water?

Explanation:

Advantages :

1}These are the main source of power generation.

2}These projects control the floods because water can be stored in them. These projects have converted many, 'rivers of sorrows' into 'rivers of boon'.

3}These projects are the main source of irrigation and also help in conserving soil.

Disadvantages:

1}Dams also fragment rivers making it difficult for aquatic fauna to migrate for spawning, i.e, to produce eggs.

2}It resulted in the displacement of local communities.

3}The multipurpose projects induced earthquakes, caused waterborne diseases.

the answers are a and c