Fanning a fire increases the oxygen near the fire, and fire needs oxygen to continue burning. Given these facts, what does fanning a fire do among the following options:
- it keeps an organism warm
 - Puts the fire out
 - Makes the fire colder
 - heat is produced
 - Allow it to continue to burn
 - lowered energy cost
 - Makes it blue instead of red
 - converting electricity to heat


 

     Allow it to continue to burn    