Question

what is rainwater harvesting describe technique the method of rainwater harvesting​

Answer 1

Answer:

Rainwater harvesting is the process of collecting rainwater from surfaces on which rain falls, filtering it and storing it for multiple uses. Rainwater harvesting puts the supply of water back to normal levels. It is the collection and storage of water from surfaces that rain has fallen upon.

Answer 2

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Rainwater harvesting is the collection of rainwater and storing for future use. In this system rainwater in collected form the rooftops by means of pipes into storage tank for later use.

Methods of Rainwater Harvesting :

1. Rooftop rainwater harvesting. In this system, the rainwater from the rooftop is collected in a storage tank, through pipes.

2. Another method, a big pit is dug near house for collecting rainwater. This pit is filled with different layers of bricks, coarse gravels and sand or granite pieces.