Discussion
Artificial recharge is undertaken chiefly to
Answer: C
Correct answer: replenish an over-exploited aquifer
Artificial recharge directs surface water into the ground - through spreading basins, percolation tanks, check dams or injection wells - to restore an aquifer being pumped faster than it is naturally replenished. It also stores monsoon runoff for the dry season and, on the coast, holds back saline intrusion. It cannot alter the porosity of the rock, which is a property of the material.
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