Eye irritation is the common phenomenon during smog. It is mostly caused by:
(A) Formaldehyde
(B) Per-oxy acetyl Nitrate
(C) Ozone
(D) Acrolin
Choose the correct answer from the options given below:
1
(A), (B) and (C) only
2
(A), (B) and (D) only
3
(C), (D) and (A) only
4
(B), (C) and (D) only