Combustion, decomposition, and fossil fuels all play important roles in which cycle of matter? Explain their roles and how they are connected with each other.​

maritime tropical may be your answer.

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.