It depends on the graph, but generally it will be C, "numerical information".
Well, some of the main characters are Harry, Ron, Hermione, Dumbledore, and Voldemort. But some minor characters that really help contribute to the story are the entire Weasley family, Remus Lupin, Sirius Black, and Snape.
This seems to be a personal opinion question..i would say just bs it
Answer:
by being watchful , be more attentive & learning from experience persons