Question

what is rain water harvesting discus two techniques of rain water harvesting​

Answer 1

Answer:

Rainwater harvesting system, also called rainwater collection system or rainwater catchment system, technology that collects and stores rainwater for human use. Rainwater harvesting systems range from simple rain barrels to more elaborate structures with pumps, tanks, and purification systems.

The two techniques of rooftop rainwater harvesting, are:

Rain water collection from the buildings rooftop through pipes into an underground tank. The wells are used for accomdating the excess of water collected through rainfall in recharging groundwater. These were the two techniques of rooftop rainwater harvesting.

Explanation:

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Answer 2

Rainwater harvesting system, also called rainwater collection system or rainwater catchment system, technology that collects and stores rainwater for human use. Rainwater harvesting systems range from simple rain barrels to more elaborate structures with pumps, tanks, and purification systems.There are two ways of harvesting rainwater, namely; surface runoff harvesting and rooftop rainwater harvesting.

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