Item 3 Generally, in which direction does wind blow? horizontally vertically only from west to east only from east to west

Horizontally. Normally, the wind blows east to west, but not always.

Explanation:

I did a packet on this months ago.

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.