You are presented with the question "what can be heated causing H2O to evaporate and NaCl to remain?" and the following answer choices: 
- vinegar
 - Sun
 - heat
 - table salt
 - energy
 - oceans
 - Energy.
 - freshwater

Now knowing that heating salt water causes the water to evaporate while the salt remains and oceans contain salt water, choose the best answer.


 

      oceans   