It means that <span>Each night is new; previous events do not matter.
The Moon rises every night, and thus it forgets what happened the night before. This proverb sort of describes that, you shouldn't hold a grudge, just like the Moon gets over what happened previously. </span>
The answer is that those scientists who study the customs of a group of people are known as a Anthropologists.
The primary conflict that drives the plot of Charlotte's Web is Wilbur's impending death. There are also lesser conflicts that include Fern growing up, and Wilbur dealing with the transience of life. When Wilbur finds out he's going to be butchered, the rest of the animals decide to work together to try and save him.
I’m going to try to give this to you via comment section because it includes too many words.
(Now, this is something I pulled off the web. You could turn this in, but I don’t recommend that. Just read over this instead of the actual book if you don’t have enough time, and rewrite some of it in your own words, or rewrite it all yourself based on this.)