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August 20, 2014

Homework Help: ms.sue check

Posted by henry on Monday, August 17, 2009 at 10:24pm.

water pollution in the united states and canada is caused by: a)acid rain b)runoff from agricultural chemicals c)industrial wastes D) all of the above
since the 1970s the u.s and canada have reduced ________ around lake erie. A)unregulated boat traffic B)overgrowth of destructive algae C)noise pollution D) illegal immigration
1)D 2)b

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