Fact 1: Fire converts chemical energy into light and heat energy.

Fact 2: Intensity is the amount of heat energy released by the fire.

Given the two facts above, answer the question "What is creates the intensity of a fire?" with the following options: 
- our nearest star
 - cigarettes
 - hydrogen and oxygen
 - water
 - rain
 - chemical energy
 - ponds
 - Greenhouse gasses


 

      chemical energy   