Answer:
hydropower is the best source
Explanation: 1 fixed volume because its a solid
2. not easily compressed because its a solid
3. Liquids take the shape of it's container
4. gases have no fixed volume
5. gases have low density
6.You cant really compress a gas or at least with your hands (I would put not easily compressed)
7. Particles in a gas are spread out and move freely
When Rutherford performed his metal foil experiment, he was surprised that most of the alpha particles passed straight through the foil.
Hope this helps :)
