You are presented with the question "Most of the universe is composed of what separated from atoms in stars?" and the following answer choices: 
- energy
 - Joules
 - nucleus
 - matter
 - oxygen
 - RNA
 - atoms
 - Energy.

Now knowing that plasma is formed by electrons separating from atoms in stars and most of the universe is in the plasma state, choose the best answer.


 

       atoms  