The nouns are chapters and essay.
the answer to your question is a
Answer:
Explanation:
Romanticism concerns itself with ideals. Realism concerns itself with more concrete, factual, everyday matters. Romanticism idealizes nature, while realism attempts to address the often harsh facts of nature in a matter-of-fact fashion. The two schools share nearly nothing as common ground
I would say the correct answer is that has an undetermined answer.
If a subject has been thoroughly covered, then there is no need for this researcher to do it all over again. If it's impossible to answer, there is no need to try. If it can be answered easily, then it doesn't really require a research. This leaves us with the last option, because a researcher might want to try and determine the answer.
