Which of the following are true about tropospheric or ground level ozone?
(A) It is called as good ozone
(B) It is formed due to downward transfer of ozone from ozone layer
(C) It is formed due to the action of sunlight on oxides of nitrogen
(D) It is a green house gas
(E) It is a key component of photochemical smog
Choose the correct answer from the options given below :
1
(B), (C), (D) and (E) Only
2
(A), (B) and (C) Only
3
(C), (D) and (E) Only
4
(A), (D) and (E) Only