What are two main forms of energy given off when paper burns and where does the energy come from

When paper burns, it releases two distinct forms of energy
Thermal Energy
Light Energy

Thermal Energy is heat energy, heat energy is formed from the flame on the paper, in this scenario. 

Light energy comes from the reaction of the paper, the flame.

In conclusion, both energy's form from the reaction of the paper, and the combustion in the air. Thus, heat and light.

It creates stress in rock.

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