Answer:
D. Neither of the above
Explanation:
Central Idea means the main idea of a story/text. All stories, if not most, have a central idea whether or not they are nonfiction.
Endocrinology is a part of medicine that has to do with hormones and endocrine gland, people who work in that part are called "endocrinologists".
Answer:
you can fix this research question by turning it into a thesis statement for a research paper.
Explanation:
for example, your new thesis could be something like this
"There is a higher power in the universe."
or like this
"The belief that there is a higher power in the universe is reflected in the lives of millions of religious Americans."
once you have your thesis, you can write the rest of the research paper explaining about it (for example, that God is the higher power many Americans believe in)
Stopping slavery and taking big voyages