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Virtual water trade is being looked at by experts as a solution to the world’s water crisis. What does virtual water (VW) imply?

Options

(a)

Volume of heavy water required to replace ordinary water.

(b)

Volume of water required to produce a commodity or service.

(c)

Volume of water saved by using rainwater harvesting.

(d)

Volume of water utilized by an effective flood control.

Answer

(B)