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Refer to the given flow chart and select...

Refer to the given flow chart and select the correct option regarding P, Q, R and S.

A

P could be dhekli whereas Q could be chain pump.

B

S minimises wastage of water by minimising evaporation and run off.

C

R is very effective in case of plants growing in both marshes and saline soil.

D

P and Q are related with generation of hydroelectricity whereas R and S are related to mitigation of drought.

Text Solution

Verified by Experts

The correct Answer is:
B
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