The water obtained from tube-wells is known as :

(a) run-off
(b) potable water
(c) surface water
(d) sub-surface water

Anurag Mishra Professor Asked on 31st December 2015 in Biology.
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1 Answer(s)

Answer: (d) sub-surface water

Anurag Mishra Professor Answered on 3rd January 2016.
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