What are the conditions necessary for combustion?

What are the conditions necessary for combustion?

Conditions necessary for Combustion

There are three conditions which are necessary for combustion to take place.
1.Presence of a combustible substance. That is, a substance which can burn.
2.Presence of a supporter of combustion like presence of oxygen in air.
3.Heating the combustible substance to its ignition temperature.
If any of these conditions is not met, combustion does not take place.