The pollution due to oxides of sulphur gets enhanced due to the presence of:
(a) particulate matter
(b) ozone
(c) hydrocarbons
(d) hydrogen peroxide
Choose the most appropriate answer from the options given below:
1
(a), (c), (d) only
2
(a), (d) only
3
(a), (b), (d) only
4
(b), (c), (d) only