Question

choose the correct answer. what happens during heat transfer? heat always flows from cool to warm. heat always flows from warm to cool. heat always flows from warm to hot.

Explanation:

According to the second law of thermodynamics, heat transfer occurs spontaneously from a body at a higher temperature (warmer) to a body at a lower temperature (cooler) until thermal equilibrium is reached. This is a fundamental principle in heat transfer.

Answer:

Heat always flows from warm to cool.