The smog in cities in Indian mainly consists of
A. Oxides of sulphur
B. Oxides of nitrogen and unburnt hydrocarbons
C. Carbon monoxide and SPM
D. Oxides of sulphur and ozone
Answer:B
The smog in cities in Indian mainly consists of
A. Oxides of sulphur B. Oxides of nitrogen and unburnt hydrocarbons C. Carbon monoxide and SPM D. Oxides of sulphur and ozone