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

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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?

(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.

(b)

Virtual water refers to the volume of water required to produce a commodity or service.