What form is energy when it enters a food chain? and what does it look like when it leaves a food chain?

It enters as the suns energy and exits in heat energy.

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.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger