1. It helps to regulate the flow of rivers
2. It can be used for developing hydel power
3. It results in flooding
4. They do not moderate the climate of the surroundings
Choose the correct option from the codes given below:
Answer: 1, 3 & 4
Notes: A lake helps to regulate the flow of a river as well as prevents flooding during heavy rainfall and during the dry season, it helps to
maintain the normal flow of water. It also maintains the aquatic ecosystem.
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