In case of which of the following primary pollutants, the man-made contributions to global emissions (million tonnes per year) is more compared to that from natural sources?

In case of which of the following primary pollutants, the man-made con

1.	In case of which of the following primary pollutants, the man-made contributions to global emissions (million tonnes per year) is more compared to that from natural sources?
A.	Sulphur dioxide
B.	Nitric oxide
C.	Methane
D.	Carbon dioxide
Answer» E.

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In case of which of the following primary pollutants, the man-made contributions to global emissions (million tonnes per year) is more compared to that from natural sources?

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