Q: Fact 1: Magnetism can cause objects to repel each other. Fact 2: Magnetic intensity is the strength of the magnetic field. Given the two facts above, what can a field cause objects to do?

Select from:
[I] rock;
[II] wind;
[III] Injury;
[IV] repel;
[V] adapt;
[VI] expand;
[VII] volcano;
[VIII] Bend;
A:
[IV]