Planting of more trees will help in-

We can avoid wastage of water by-

________ is a major natural source of water.

Setting up of factories cause a _______ in the level of underground water.

Cutting down of trees in the forest in a large scale is called-

Factors causing shortage of water are-

Proper and careful utilisation of water, avoiding it's wastage, and maintaining the amount of water in its different sources, is called-

Utilities of dam - 1. To check flood 2. To store large quantity of water. Choose the correct option.

Rain water can be collected in -