How have venomous animals and those that cooperate with other animals adapt to survive

Explanation:

The natural world is a tough place. Faced with competition for resources and sometimes hostile climates, life can be difficult for animals.

But, in order to beat the odds and survive, some animals adapted in some pretty interesting  and unusual ways.

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.