Question

4.
Why is Rain water harvesting a 'ray of hope for overcoming the present scarcity
of water' in cities?​

Answer 1

Answer:

Rainwater harvesting is a ray of hope in overcoming the present scarcity of water in cities as the rainwater collected can be put to many uses. Rainwater is pure in nature and devoid of any bad chemicals, it can be a substitute to potable water after further treatment and addition of essential nutrients.

Answer 2

Answer:

Rain water harvesting is a type of harvesting in which the rain drops are collected and stored for the future use, rather than allowing them to run off..

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