Respuesta :
Chemical energy, thermal energy and electromagnetic energy are used when wood burns in a campfire. Hence, options B, C and D are correct.
What is potential energy?
Potential energy is the stored energy that depends upon the relative position of various parts of a system.
The chemical reaction which comes from burning the log is called combustion. Combustion can only happen if oxygen is present. Combustion changes the potential chemical energy into kinetic energy in the form of heat.
Hence, options B, C and D are correct.
Learn more about the potential energy here:
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