Question

Advantages and disadvantages of dams.

Answer 1

Answer:

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}Thes 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 displacement of local communities.

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

Answer 2

Advantages of dams-

• they provide water for irrigation
• it helps in soil conservation and flood control
• it  helps in pisciculture

disadvantages of dams-

• the marine life gets affected by the construction of the dams
• due to absence of  readily supply of fresh water aquatic life  is reduced
• standing water behind the  reservoir is a breeding  ground for mosquitoes