Question

2. Why do we need to store rainwater?
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Answer 1

Answer:

1 . we need to store rainwater to consume it for the future use.

2. it also help us preserve rainwater for useful purposes as it mainly flows down in the sewer or drainage, that make it polluted.

3. it is the efficient way to preserve water.

Answer 2

Because rainwater harvesting bypasses the centralized water system, it conserves energy. ... DECREASES WATER CONTAMINATION: Captured rainwater does not cause immediate runoff. Limiting runoff helps decrease the contamination of surface water by sediments, fertilizers, and pesticides in rainfall runoff.

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