How does fossil fuel transform potential energy into other types of energy?

yes.coal is a fossil and it changes chemical energy into heat energy on burning it in the presence of oxygen.

Any kind of energy can be transformed into any other kind of energy. However, there is always a certain amount of unusable energy that can no longer be converted into useful energy. This amount of...

MR. CENT Mechanical, Radiation, Chemical, Electric, Nuclear, Thermal

Chemical.

first of all thermal energy does not move it actcually gains molecules