alleryWhat share of a Shillong household's water need can rooftop harvesting meet?
A75 to 90 per cent
B2 to 5 per cent
C50 to 60 per cent
D15 to 25 per cent
Answer & Solution
Correct answer: D. 15 to 25 per cent
Rooftop harvesting supplies roughly 15 to 25 per cent of a household's total water requirement in Shillong.
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