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World Water Day Test
This test contains some interesting facts about "water"
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How many liters of water does it take to make a hamburger?
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What percentage of the water on Earth is salt water? *
15 points
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How many liters of water needed to produce "a pair of jeans"?
15 points
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How many children dies because of unsafe water every hour?
15 points
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A person can live about a month without food but only about ........... without water?
15 points
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How many liters of water needed to produce 1 liter of "coke"?
15 points
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What percentage of water does a human body consist of?
15 points
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