Option 3 -> The passage clearly mentions it "helps prevent flooding and soil erosion" by capturing runoff before it reaches drains.
This is a very straight-forward question, the option is taken verbatim (exactly) from the passage.
Rainwater harvesting contributes in reducing
Held on 29 May 2025 · Verified 13 Jul 2026.
groundwater levels in urban areas
dependence on renewable water sources
soil erosion and urban flooding
the need for domestic water storage
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Work through every CUET UG VA PYQ, year by year.