Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the correct answer using the code given below.
a
1, 3 and 4 only
b
2 and 3 only
c
1 and 4 only
d
1, 2, 3 and 4
Environmental PollutionIndustrial Air PollutionSteel industrypollutantsoxides of sulphur (SOx)oxides of nitrogen (NOx)carbon monoxide (CO)carbon dioxide (CO2)air pollutionindustrial emissions