6. If there were any animations, visual or models used in the video , what were they? How did they help illustrate the topic? Please help if you are able to , I will mark you

the link is not wrong its invaild

on the paper

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.