Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Which factor is a major contributor to outdoor air pollution?

radon
fossil fuels
ultrafine particles
carbon monoxide


Sagot :

Answer:

fossil fuels

Explanation:

The common sources of outdoor air pollution are emissions caused by combustion processes from motor vehicles, solid fuel burning and industry.

it is fossil fuels!!!