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OpenStudy (anonymous):
The graph below shows the sources of some of the primary air pollutants generated by human activities. On the graph, "NOx" represents nitrous oxides, "SOx" represents sulfur oxides, "VOC" stands for volatile organic compounds, "particulates" are small dust-like particles, and "CO" is carbon monoxide. The release of sulfur oxides is a chief cause of acid rain. What human activity is primarily responsible for acid rain?
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OpenStudy (anonymous):
OpenStudy (anonymous):
A fuel burning except in vehicles B fuel burning in vehicles C transportation
OpenStudy (anonymous):
@BangkokGarrett is is a tricky one i don't get it could you help me please.
OpenStudy (anonymous):
b i think :)
OpenStudy (anonymous):
thanks
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