Question 1 / 10
98 x 63 – 32 x 69 =
Would you like to use your joker to eliminate two incorrect answers?
Fires can't burn in the oxygen-free vacuum of space, but guns can shoot. Modern ammunition contains its own oxidizer, a chemical that will trigger the explosion of gunpowder, and thus the firing of a bullet, wherever you are in the universe. No atmospheric oxygen required.