Which of the following air pollutants is not toxic to vegetation i.e., doesn’t c

MCQ Practice

Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage?

Subject: Chemical EngineeringTopic: Environmental Engineering In Ce

Smog & ozone

Hydrogen fluoride & nitrogen oxides

Sulphur dioxide & spray of weed killers

Carbon monoxide

Correct Answer: D