hat is combution?
It seems you are asking about combustion.
Kindly refer to the following link:
https://www.meritnation.com/ask-answer/question/what-is-combustion/combustion-and-flame/6421041
Kindly refer to the following link:
https://www.meritnation.com/ask-answer/question/what-is-combustion/combustion-and-flame/6421041