Iron conducts thermal energy better than rubber. Which statement gives the explanation for this?
- AElectrons in iron can move from one part of the iron to another. Electrons in rubber cannot move in this way.
- BElectrons in iron vibrate with more energy than those in rubber.
- CPositive particles in iron can move from one part of the iron to another. Positive particles in rubber cannot move in this way.
- DPositive particles in iron vibrate with more energy than those in rubber.