Question

Heat always travels from ________ to __________.
Responses
A hot, cold.hot, cold.
B cold, hot.cold, hot.
C least dense, most dense.least dense, most dense.
D low energy, high energy.low energy, high energy.

Answer 1

A — hot to cold. Heat spontaneously flows from higher temperature (hot) objects to lower temperature (cold) ones until thermal equilibrium is reached.