Which of the following uses energy that comes from body heat?
Options:
- (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 OK. Let's think hard:
Evaporation of sweat uses energy, and the energy comes from body heat. Diaphoresis is a fancy medical term for perspiration or sweating. Evaporation of perspiration uses energy and the energy comes from body heat.
So, the final answer is (B).