Question

please say me the answer

Answer 1

Answer of the toppers of our class spoke to the area of a

Answer 2

Rain water is one of the most important resource on the earth. The fresh water available on the earth is nearly 2.5percent.we are using this water a lot. But to get more water we should preserve rain water.

We should preserve rain water because :

1 - We should preserve rain water for

Harvesting.

2 - We should preserve rain water for

Drinking water by purification.

3 - We should preserve rain water for

Daily usage.

4 - We should preserve rain water for industrial usage.

5- We should preserve rain water for watering plants with out wasting fresh water.

Etc....