Fact 1: Fanning a fire increases the oxygen near the fire.

Fact 2: Fire is a combustion reaction.

Given the two facts above, answer the question "What increases the oxygen near a combustion reaction?" with the following options: 
- watering it
 - heat energy
 - kinetic energy
 - using an extinguisher on it
 - smothering it
 - energy barrier
 - fanning it
 - evaporation


 

       fanning it  