Which of the following are the pollutants emitted from Coal-Based Thermal Power Stations:
1. Sulphur dioxide (SO2)
2. Oxides of nitrogen (NOx)
3. Particulate matter (PM)
4. Lead
Select the correct answer using the codes given below:1
1, 2, and 3 only
2
1, 2, and 4 only
3
1, 3, and 4 only
4
1, 2, 3, and 4