You are presented with the question "How is the change of a liquid to a gas measured?" and the following answer choices: 
- Dilution
 - Joules
 - density
 - thirst
 - forces
 - H20
 - motion
 - boiling

Now knowing that boiling means change from a liquid into a gas by adding heat energy and heat is Energy and is measured in Joules, choose the best answer.


 

  Joules       