What is the leading cause of water pollution in the United States?
a.
point source pollution
b.
nonpoint source pollution
c.
lack of regulation
d.
none of the above
Nonpoint source pollution is the leading cause of water pollution in the United States.
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Asked 11/23/2015 2:27:45 PM
Updated 11/23/2015 9:33:44 PM
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Andrew. [11/23/2015 9:33:44 PM]
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