Question

what are the significance or importance of rain water harvesting class 10


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Answer 1

Answer:

Rainwater harvesting is the need of hour as demand for water is increasing day by day. (ii) Rainwater harvesting reduces pressure on existing water resources. (iii) It is cheap source of water supply. (iv) It helps in recharging groundwater.

Answer 2

Explanation:

The elimination of runoff can reduce contamination of surface water with pesticides, sediment, metals, and fertilizers. By reducing stormwater runoff, rainwater harvesting can reduce a storm's peak flow volume and velocity in local creeks, streams, and rivers, thereby reducing the potential for streambank erosion.