You are presented with the question "Evaporation of sweat uses energy, where does the energy come from?" and the following answer choices: 
- vapors
 - temperature
 - expelled
 - environment
 - hydration
 - water vapor
 - The Sun
 - exercise

Now knowing that evaporation of sweat uses energy, and the energy comes from body heat and heat When exercising, the body creates excess heat, choose the best answer.


 

        exercise 