What would happen to long-term health if everyone had access to clean water? Is a good rhetorical question because you don't need to answer it, just maybe think about it.
It affects the narrator's tone in a piece of writing.
Answer:
The reader is immersed into the narrative as a character involved in the story. The narrator describes what "you" do and lets you into your own thoughts and background. The most well-known piece of fiction that employs second-person narration might be Jay McInerney's novel Bright Lights, Big City