Which of the following air pollutants is not toxic to vegetation i.e., – McqOptions

MCQOPTIONS

1.	Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage ?
A.	Smog & ozone
B.	Hydrogen fluoride & nitrogen oxides
C.	Sulphur dioxide & spray of weed killers
D.	Carbon monoxide
Answer» E.

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