Shondra takes notes in class. I. Electromagnetic Waves
II. The ability to work
- Has many forms
- Mechanical
III. Potential energy
- Chemical
- Elastic
- Gravitational
Kinetic energy
- Energy of movement
- Electrical
IV. Nuclear
- Radiant
- Thermal

One line of Shondra’s notes is irrelevant to the rest of her notes. Which line is about a different topic than the rest of Shondra’s notes?

I
II
III
IV