engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Air and Noise Pollution
Which of the following statements is/are correct with respect to carbon monoxide?
a) Carbon monoxide is a permanent pollutant.
b) Natural processes convert carbon monoxide to other compounds that are not harmful.
1
Only statement a) is true.
2
Both the statements are false.
3
Only statement b) is true.
4
Both the statements are true.