Heating salt water causes the water to evaporate while the salt remains, and for example, in salt water, salt is the solute and water is the solvent. Given these facts, what is left over when salty water is heated among the following options:
- Time and energy
 - nutrients
 - Sediment
 - energy
 - bacteria
 - Energy.
 - loose soil
 - The solute


 

        The solute 