You are presented with the question "A stove is used for cooking by heating the what?" and the following answer choices: 
- air
 - weather
 - coal
 - pan
 - gas
 - bed
 - pets
 - fire

Now knowing that astove is used for cooking by generating heat and warmth generated by staff and machinery heats the air, causing it to rise, choose the best answer.


 

 air        