asked 37.9k views
1 vote
The greatest source of air pollution in the United States is _____. automobiles electric utilities forest fires industrial burning of fossil fuels

1 Answer

4 votes
The correct answer is the first option. The greatest source of air pollution in the United States is automobiles. Combustion of gasoline and other fuels produces primary pollutants like nitrogen oxides, carbon monoxide and gaseous hydrocarbons.
answered
User SiSa
by
8.2k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.