You are presented with the question "What does water turn into after boiling?" and the following answer choices: 
- gas
 - Dew
 - lake
 - solid
 - oxygen
 - liquid
 - oil
 - salt

Now knowing that boiling means change from a liquid into a gas by adding heat energy and water is heated to the boiling point and changes to steam, choose the best answer.


 

 gas        