<human>:  Where does the heat come from in the third law of thermodynamics?
<bot>: The Third Law of Thermodynamics states that heat cannot be created or destroyed, only transferred. This means that the heat that is given off by a hot object is not actually being created by the object itself, but rather by the transfer of energy from the object to the environment. This is an important concept because it means that the heat energy is not lost forever, but rather that it is being transferred to other objects.