"<span>d. An author reveals character traits through actions, feelings, thoughts, and dialog" is the best option because it's the most common, but it should be noted that this is a creative decision. </span>
Harriet Tubman uses ethos to have the readers trust her and it helps make her an author you can trust. Ethos is when an author tries to convince the reader that they are a reliable source. So she uses ethos for her rhetorical appeal.
Hope that helps
Answer:
Although a whale's heart can be as big as a car, it beats only nine times per minute.