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OpenStudy (shortystudys):
What is the main source of carbon monoxide pollution? a. electric power plants b. residential furnaces c. industrial factories d. motor vehicle exhaust
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OpenStudy (anonymous):
The main source of carbon monoxide is from petrol vehicles which are not fitted with a catalytic convertor. Carbon monoxide levels in urban areas closely reflect traffic density
OpenStudy (anonymous):
so D.
OpenStudy (shortystudys):
Thank you. I'm very grateful!
OpenStudy (anonymous):
my pleasure
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