You are presented with the question "What does nitrogen do when it's heated" and the following answer choices: 
- Expands
 - boiling
 - moves
 - Solidifies
 - Melts
 - heat
 - burning
 - Condenses

Now knowing that if gas is heated then that gas will expand and nitrogen gas is the most abundant gas in the atmosphere, choose the best answer.


 

 Expands        