Correct Answer:
Option A - Chemical energy is the energy stored in the chemical compounds. This energy is released when a chemical reaction takes place. Usually, once chemical energy has been released from a substance, that substance is transformed into a completely new substance, so it is not generated by riding a bicycle.
A. Chemical energy is the energy stored in the chemical compounds. This energy is released when a chemical reaction takes place. Usually, once chemical energy has been released from a substance, that substance is transformed into a completely new substance, so it is not generated by riding a bicycle.