You are presented with the question "You cannot have matter in a plasma state without what?" and the following answer choices: 
- energy
 - Energy.
 - voltage
 - ionization
 - nutrients
 - light
 - heat energy
 - kinetic energy

Now knowing that plasma is formed by electrons separating from atoms in stars and gas Ionization Losing electrons ionizes the atoms in a gas, choose the best answer.


 

    ionization     