Maria’s father started a fire in the fireplace. he crumpled some paper, lit a match, and soon the logs in the fireplace were burning. in this case, the stored chemical energy in the logs was changed into

a) electrical energy.

b) mechanical motion.

c) heat and light energy.

d) electrical and heat energy.

In this case the stored chemical energy in the logs was changed into heat and light energy. The correct option among all the options that are given in the question is the third option or option "C". The logs started burning and this burning released the light energy and the heat energy. I hope this answer helps you.

The answer is periosteum