Percolation tanks help to

In ancient times, village boundaries were decided upon a …………………. basis fixed at the common point of the drainage system.

This is life line for a larger part of Telangana.

What methods are to be followed by farmers in scarcity of water ?

Primary source of water is :

The percentage of fresh water in the hydrosphere is:

Run off water is the water that:

Groundwater will not be depleted due to:

Water present in lakes, swamps and rivers is:

Water occurs in frozen state over the land is:

Which of the following countries conserve the forests by reusing waste paper, card boards ?

Watershed means

The agency that minds conservation of under ground water

Look at the flow chart: Saline Water : 97 % → Glaciers : 2.5 – 2.75 % → Under ground water  : ?

The alternative method for conserving under ground water