a
Volcanic eruptions
b
Vehicle emissions
c
Forest fires
d
Industrial processes
Explanation
Correct Option
bVideo Explanation
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Discussions (4)
KennyBrain10
1 year ago
Vehicle emissions are recorded the highest source of CO in urban areas...
Other options like D is significant but to a lesser extent compared to B
Serotonin001
2 months ago
The main source of carbon monoxide (CO) in urban areas is motor vehicle emissions, specifically from the incomplete combustion of gasoline and diesel in engines.
In cities, traffic congestion and the sheer volume of cars, trucks, and buses create a concentrated, consistent source of this colorless, odorless gas.
