Question

explain any two method of rainwater harvesting​

Answer 1

*  Roof top rainwater harvesting....

*  Canals and dams..

Answer 2

1)roof top harvesting system

2)building ground water system

in roof top harvesting system rain water is conserved when the rain eater is made to fall on the roof the buildings(that is why the roofs of the buildings are very big in area).first spell of rain is always left so that it could clean the roof then the subsequent rains are conserved. after this the water is made to pass through a pipe which is connected to a underground tank where it gets filtrated .rooms are even made beside this tanks in Rajasthan as it keeps the rooms cool. in tamil nadu it is an essential feature