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

Fact 2: Fire needs oxygen to continue burning.

Given the two facts above, answer the question "What helps a fire continue to burn?" with the following options: 
- fanning
 - hydrants
 - rain
 - firefighters
 - heat
 - loose soil
 - bamboo
 - sweating


 

 fanning        