How many wolves of the economy in the yellow stone national park ,

Answer is in the photo. I can only upload it to a file hosting service. link below!

tinyurl.com/wpazsebu

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.

it should be briana that has it to me