Which of the following chemicals contribute to air pollution from traditional firecrackers?
1. Sulphur dioxide (SO₂)
2. Particulate matter (PM2.5 and PM10)
3. Heavy metals like lead and barium
4. Nitrogen dioxide (NO₂)
Select the correct answer using the code given below:
1
1 and 2 only
2
2 and 3 only
3
1, 2, 3, and 4
4
1, 3, and 4 only