A) \[S{{O}_{2}},CO\]
B) \[CO,\,PAN\]
C) \[{{O}_{3}},\,S{{O}_{2}}\]
D) \[PAN,\,{{O}_{3}}\]
E) None of these
Correct Answer: A
Solution :
The primary pollutants of correct combination \[S{{O}_{2}},\]\[CO.\]
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