Do you know a similarity between a glacier and a bulldozer ?

The Glaciers are like a very slowly flowing river. The steeper the land gradient the quicker they will move and the lower the land gradient underneath the glaciers the slower they will move.

Explanation:

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.

dude i stopped reading after the first 7 words but hey you seem real smart thats awesome have a great day