Answer:
Rainwater harvesting can be used in irrigation or for drinking purposes. Rainwater, stored as groundwater can be later used in times of need
Ways of rainwater harvesting
1. Surface Runoff Harvesting
In urban areas, rainwater flows away as surface runoff. This runoff can be caught and used for recharging aquifers by adopting appropriate methods.
2. Rooftop Rainwater Harvesting
It is a system of catching rainwater where it falls. In rooftop harvesting, the roof becomes the catchment, and the rainwater is collected from the roof of the house/building.
Explanation:
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