ЁЯФ╣ About:
1. It is a kind of an aerosol [It is a suspension of fine solid particles or liquid droplets in the air]
2. It is the second most important anthropogenic agent for climate change
3. It is the primary marker to understand the adverse effects caused by air pollution
4. gets emitted from gas and diesel engines, coal-fired power plants, and other sources that burn fossil fuel
5. comprises a significant portion of particulate matter or PM, which is an air pollutant.
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