I believe the answer would be Bill Gates. An appositive is a noun that renames a noun right beside it. In this case, "Bill Gates" is renaming "One of the richest men in the world."
The singer, who was very talented, knew the words to the song.
<span>D)She feels like she is fighting her own body. - this is a poem about being a teenager and all the changes that go with it.
Hope that helps</span>
