You are presented with the question "What keeps a fire burning?" and the following answer choices: 
- energy
 - heat
 - Covering it with dirt
 - sun's heat
 - Removing fuel
 - power
 - fanning
 - Dousing it with water

Now knowing that fanning a fire increases the oxygen near the fire and fire needs oxygen to continue burning, choose the best answer.


 

       fanning  