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4 November, 12:24

Nearly 50% of water sources in the United States are believed to be polluted.

true or false?

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  1. 4 November, 12:32
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    True, however 50% is rather optimistic value, it's probobally more. The main source of water is in the ground and the groundwater gets constantly more contaminated with road salt, oil, gasoline and other chemicals (and as you can see, these are all manmade products).
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