The point of view that is expressed is third-person omniscient, since in this POV, all views of characters can be seen. In third-person limited, only the view of one character is seen, and in first person, it is narrated by "I" or "me." Here we see the point of view of the man and the dog, making it third-person omniscient.
The purpose of an introduction in an essay is to introduce the topic of the entire essay
The answer is B. Volunteering because they are talking about volunteering and how it made them happy
