Environmental IssuesEasy
Question
Which one is not a secondary pollutant :-
Options
A.PAN
B.HNO3
C.CO
D.O3
More Environmental Issues Questions
Biological treatment of water pollution is done with the help of...Chernobyl nuclear tragedy occurred in...Man made radio active element Sr90 accumulates through...In stratosphere, which of the following element acts as a catalyst in degradation of ozone a release of molecular oxygen...Pollution can bring about change in...