Answer: Burning of wood
Step-by-step explanation:
Burning of wood is a combustion reaction. The burning of a wood is an example of combustion reaction.
It can be defined as the burning of substance at temperature that it releases energy and heat. The necessary condition is oxygen.
This is a redox exothermic reaction at high temperature. Sometimes smoke is also produced during this reaction.
It is the combustion of fuels that releases energy so that heavy machines and equipment run in order to perform various functions.