Explain how looking at the magnetism of certain rocks support the idea that the continents have moved and changed over time.

answer:

well many rocks mix so if you look at a rock you found in jamaica then look at a rock you found in australia you can see a resemblance because they got mixed up when the continents moved jamaican rocks went to australia although there was still rocks in jamaica some went to australia 

answer; i believe the correct answer is (replication is not conservative);