Two-thirds of the Earths surface is covered by water. How much of it is fresh? A - 1%, B - 2% or C - 97%?
A - 1%
How much water does it take to produce one kilogram of meat? A - 23,000 litres, B - 41,500 litres or C - 60,500 litres?
B - 41,500 litres
Which human activity uses the most water? A - Personal Hygeine, B - Cooking or C - Irrigation?
C - Irrigation
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