You are presented with the question "What can be used to separate a solute from a solvent in a solution?" and the following answer choices: 
- bandaid
 - Gas
 - table
 - sodium
 - energy
 - heat
 - frost
 - vapors

Now knowing that evaporation can be used for separating a solute from a solvent in a solution and energy in the form of heat causes evaporation, choose the best answer.


 

      heat   