![The most significant gaseous air pollutant is](https://www.gkseries.com/blog/wp-content/uploads/2021/12/The-most-significant-gaseous-air-pollutant-is.png)
Q. The most significant gaseous air pollutant is
- CO2 (Carbon-dioxide)
- O2 (Oxygen)
- SO2 (Sulphur-dioxide)
- Nitrogen
Answer: SO2 (Sulphur-dioxide)
Answer: SO2 (Sulphur-dioxide)
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