Question

Various techniques of rain water harvesting in urban areas

Answer 1

Answer:

yes

Explanation:

because there is less water and they have to harvest rain water for there daily use

Answer 2

Answer:

Explanation:

Of the total water on earth, only 3% constitutes freshwater. Rest is saline water in the oceans.

11% of the total freshwater on earth is groundwater available upto a depth of 800m which can be extracted for use.

Mindless extraction and over exploitation of very small quantity of this precious nature resource has caused a rapid depletion and deterioration in its quantity and quality both