List the four molecules. edgenuity

Explanation:

The four major molecules are: (carbohydrates, lipids, proteins, and nucleic acids)

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.

a community that experiences major changes undergoes progress