How do plant cells work together to move nutrients? Explain the roles of xylem and phloem. Discuss how they are part of a system that moves water and nutrients through a plant.

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 answer is false?

a covalent bond, specfically triple bond