A steak begins to cook when it is placed into a hot pan on a stove. Radiation
Conduction
Convection

Conduction

Explanation:

Conduction is the transfer of heat from one object to another.

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.