Question

For any fire to occur, which elements must be present?
Select all that apply.
A) Nitrogen
B) Oxygen
C) Ignition source
D) Fuel to burn

Answer 1

Answer:

B) Oxygen

To start a fire, you create friction and for that friction to become fire, it needs oxygen. The main reason why fire needs oxygen is mostly due to the presence of carbon in the material which is burning.

Answer 2

the answer is B, oxygen