Substance to a
Thermal energy flows from a
substance.

Thermal energy comes from a substance whose molecules and atoms are vibrating faster due to a rise in temperature. Heat energy is another name for thermal energy. Kinetic energy is the energy of a moving object. As thermal energy comes from moving particles, it is a form of kinetic energy.

Explanation:

answer; i believe that the correct answer is (light);

the correct answer is:

a population changes in response to a change in the environment.