Q: Fact 1: Fanning a fire increases the oxygen near the fire. Fact 2: Fire needs oxygen to continue burning. Given the two facts above, what keeps a fire burning?

Choose your answer from:
[1]. energy
[2]. heat
[3]. Covering it with dirt
[4]. sun's heat
[5]. Removing fuel
[6]. power
[7]. fanning
[8]. Dousing it with water
A:
[7].