Question

Why should people implement rainwater harvesting?

(a) In order to play with the water

(b) In order to use during scarcity of water

(c) In order to pour the rain water directly to the sewage

(d) In order to time pass

I have been asked this question in an international level competition.

My question comes from Water Conservation, Rainwater Harvesting, Watershed Management topic in chapter Social Issues and the Environment of Energy Management

Answer 1

Right option is (b) In order to use during scarcity of water

Best explanation: Rainwater harvesting helps to store the rain water and it can be used during the scarcity of water. We can use as per convince either directly or for recharging groundwater as the rain falling on the surface to flow away fast.