Question

Rainwater harvesting is necessary because of 1) decrease in surface and ground water level 2) heavy rains 3) floods

Answer 1

Hey dear !!

The correct answer is :-

(1) Decrease in surface and ground water level.

Because of over population he demand is increasing day by day.

Hope this helps you dear ✌✌

Answer 2

Hey friend,
Here is your answer:

Rainwater harvesting is necessary because of the decrease in surface and ground water level. This form of water conservation helps in replenishing ground water.

So, the correct option is 1.

Hope it helps u.