In order to do this, you just have to equalize the ratio you just need to search for the same sides, so the 6 side is similar with the 9 side on the larger, and then the 8 to the 12 and the 4 to the 6, so you just equalize any of those equal we will use the 8 and 12:
option C is the correct answer because the continents used to be part of a larger supercontinent called Pangea and when the continents split the fossils went with it