Why did Amy Bernstein most likely write her story "I'm Not Thirteen Yet"?

to entertain readers with a fictional story
to share a memorable experience with others
to explain how to play soccer against boys
to describe activities available at summer camps

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

b exhibiting favoritism toward the kikuyu people.

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.