Which type of character as a result of the events in a story

What does the duke reveal about himself to the reader as he speaks in “my last duchess” by robert browning? that he is a believer in romantic love that he is a calculating villain that he is a trustworthy husband that he is a sophisticated man worthy of respect

•your english teacher has asked you to write a short three-page research paper. which topic is the most narrow? a. water pollution b. how lake pollution affects fish c. how water pollution affects seal d. pollution

It is clearly expressed. what does that mean?