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water cycle quiz difficulty:medium-hard
1.what fraction of the earth is coverd in water?
2.what percentage of the earth is coverd in drinkable water?
3.why is evaporated water so clean?
Article posted November 9, 2011 at 09:20 PM •
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Im in 6th grade i go to chimacum middle school. I have 2 cats, also i have a older brother.