Question

Is carbon dioxide CO₂ a secondary pollutant?

Answer 1

Secondary pollutant:

1. The pollutants formed by the intermingling and reaction of primary pollutants are known as secondary pollutants.
2. Carbon dioxide(CO₂) is a primary air pollutant emitted directly from a source.
3. Carbon dioxide is one of the main pollutants with regard to air pollution.
4. It is a primary pollutant, which means it is emitted into the environment directly by human and natural sources.
5. It is a greenhouse gas, which is the main reason for rising temperatures and global warming.