pick from the following.
1). energy
2). Energy.
3). voltage
4). ionization
5). nutrients
6). light
7). heat energy
8). kinetic energy
Given those answer options, answer the question: Fact 1: Plasma is formed by electrons separating from atoms in stars. Fact 2: Gas Ionization Losing electrons ionizes the atoms in a gas. Given the two facts above, you cannot have matter in a plasma state without what?
A:
4).