Omar is studying a fossil that was recently discovered. He wants to determine whether it is more closely related to horses or sloths. He has information about the body structures of the three species in the table below.

14,16 18 reacts with group

the answer your looking for is c).

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".