. The method of collecting and conserving rain water from the roof tops of the building is known as


(a)      crop harvesting.

(b)      rain water harvesting.

(c)      ground water depletion.

(d)      irrigation.

Best Answer

(b)

Explanation:  The rainwater can be used to recharge the groundwater. Water from the roof tops of the houses, industries etc. is collected. It is then allowed to seep into the soil instead of allowing it to flow down in river, ponds etc. to be polluted.

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