An essay is a "short formal piece of writing.. dealing with a single subject" ("Essay," 2001). It is typically written to try to persuade the reader using selected research evidence.
The correct option is B. They address multiple topics
What is a topic?
A topic is the main organizing principle guiding the analysis of your research paper.
Topics offer us an occasion for writing and a focus that governs what we want to say.
For more information about essays, refer to the link:-
brainly.com/question/518189
