I think the correct answer would be:
<span>B: The poor, plague-ridden, residential areas of the town were shut off from the rest of the world.</span>
She is so interested because dogs can help improve mental health (And because dogs are the best thing to ever exist)
Answer:B most of the theories he describes are based on characteristics of Mars’s surface.
Explanation:
My friend, Alex, plays tennis.
My = possessive pronoun
friend = subject
Alex = an appositive (which is a noun that renames another noun right beside it) -- though not an adjective, it functions like one to explain which friend
plays = verb
tennis = direct object
hope this helps :)