option A, 100 gram chocolate bar.
Chocolate has a very huge water footprint. It needs roughly 150-200 litres of water to make 1 litre of beer in an average, but making 100 gram chocolate bar requires a whopping 1700 litres of water.
So the water footprint of Chocolate bar is way more than Beer.
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Using the internet to determine which has the higher water footprint 100-gram chocolate bar or, 16-ounce...
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