Explain the difference between matter made up of more than one element and matter made up of only one element.

not only is it colder, it also becomes darker, less salty, and more dense.

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.

answerhomologous structures;