Question

Please answer the marked question

Answer 1

3) "The amount of ground water on the earth remain the same" as coz the level of ground water which we use day by day is refined by the natural prosses that is hydrolytic process.
In which water in the form of rain is soaked by ground to maintain the level of ground water.

4)If rain doesn't occur for several years then the ground water can be depleted.
But sunlight can never depleted.