<span>The school of writing which describes things as they seem to the author, not as they could or should be. The correct term or name for the definition is realism. Realism in literature is part of the realist art movement starting the French literature, and Russian literature.</span>
Answer:
The correct answer is Option C: It is a short work of nonfiction that explains something in an amusing way.
Explanation:
The author uses gravity to talk about the negative effect of weightlessness and he uses gravity to explain this topic that otherwise could be tedious in an interesting and different angle.