I am pretty sure it is irony and sarcasm
I’m thinking assembly but it could also maybe be democracy. pretty sure it’s assembly though.
Answer:
it depends on where you send that mail
Nouns are parts of speech used to identify and name a class of people, things, places. The nouns in this sentence are MOON which is the subject, CRATERS, and SURFACE. It can be easily identified if an article can be used before the noun