Charles Lyell:

A. developed the concepts of erosion and deposition

B. based his theories on the Neptunist view of crust formation

C. believed slow processes of erosion and deposition created landforms

D. was the founder of the Plutonist theory of crust formation

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

the question isn't complete here so i can't right an 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.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.