What does a fire require to burn?
A transportation fuel Something with exactly 2 protons chemical to mechanical energy Something with exactly eight protons Something with exactly 1 proton Burning fuel and air igniting fuel and oxidiser Something with 7 protons
A B C D E F G H
Oxygen has  eight protons and eight electrons.
A fire requires something with exactly eight protons to burn.
What does a fire require to burn? (A) A transportation fuel (B) Something with exactly 2 protons (C) chemical to mechanical energy (D) Something with exactly eight protons (E) Something with exactly 1 proton (F) Burning fuel and air (G) igniting fuel and oxidiser (H) Something with 7 protons