15. Carbon monoxide (CO) is another pollutant associated with motor vehicle exhaust. If carbon monoxide behaves like the nitrogen oxides in the experiments, one would expect that carbon monoxide levels:
Your Answer is
Correct Answer is C
Explanation
From table 2, it can be seen that the ozone level near the roadway is low, because the NO2 emission of the vehicle volume is too much, so there is more CO that can be released