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

Fact 2: Oxygen can be in short supply as the fire consumes it also.

Given the two facts above, answer the question "Fanning a flame can help it do what?" with the following options: 
- survive
 - Relieve pain
 - to move people
 - consume air
 - dissolve
 - Cooking
 - liquefy
 - consume liquid


 

    consume air     