Answer the following question: You are presented with the quiz "Which of the following uses energy that comes from body heat?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evaporation of sweat uses energy, and the energy comes from body heat" and "diaphoresis is a fancy medical term for perspiration or sweating". So, what's the best answer to the question?

Pick your answer from:
[a]. kinetic energy
[b]. evaporation of perspiration
[c]. kinetic friction
[d]. evaporation of snow
[e]. Transfers energy
[f]. a rock rolling down a hill
[g]. a fire burning near a campsite
[h]. converting mass to energy
Answer:
[b].