PLZZZ HELP MIDDLE SCHOOL SCIENCE!!!​ WHOEVER ANSWERS FAST AND CORRECT GETS BRAINLIEST

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

the answer would be..

b. sucking