Answer:
who are the leaders?
can you tell me the leader so that I can help you with it
The correct answer is : The well-known artist arrived.
"well-known" is a compound modifier and, in the sentence above, is used immediately before the noun it modifies. For that reason, it must be hyphenated.
"chocolate-covered" could be hyphenated as well, but its location in the structure is improper for that use, since it comes after the noun it modifies.
A megalopolis is B. a series of almost continuous metropolitan centers with urban functions that exchange flows of people and goods with the surrounding areas and the rest of the world. An example is the Tokkaido Megalopolis in Japan.
Authors often vary the types of phrases and clauses they use in order to add interest to their writing
B, someone else's.
When showing possession, you put the apostrophe after the person/thing that is possessing.