Answer:
4. Thermal
Explanation: Thermal energy is the total of all the potential and kinetic energy of all the atoms in a system that make it hot or cold, which makes the system hot or cool.
5. C. higher, lower
Heat is the movement of energy from a higher temperature object to a lower temperature object, or the opposite. Heat moves from one object to another because of the difference in temperature between them. There is still a lot of heat exchange until both objects are at the same temperature and have reached thermal equilibrium.
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