You are presented with the question "energy leaves from what when sweat contacts with skin" and the following answer choices: 
- radiation
 - heat energy
 - expelled
 - vapors
 - body heat
 - heat produced
 - conduction
 - metal

Now knowing that evaporation of sweat uses energy, and the energy comes from body heat and when sweat comes in contact with the skin it is cooled as the sweat evaporates, choose the best answer.


 

     body heat    