Magnetism can cause objects to repel each other.
Magnetism a compass works on the principle of magnetism and points to the north magnetic pole.
A compass works on the principle of the objects ability repel each other.
A compass works on the principle of the objects ability what each other
Options:
  * energy
  * mix
  * weld
  * moves
  * Sight
  * wrap
  * neurons
  * repel