Explain the relationship between the loss of Arctic ice and the sustainability of human populations

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 correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

not sure if this what   you'r looking for would be percent composition