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

Fact 2: Strong winds increase the concentration of oxygen available to the fire.

Given the two facts above, answer the question "How can you keep a fire from getting bigger?" with the following options: 
- less wind
 - heat energy
 - protect them
 - friction
 - Solar energy
 - voltage
 - Gravity
 - electrically


 

 less wind        