d. Empiricism
As empiricism is basically an experience derived from senses. So here through the text we can see that empiricism is very evident.
The first one is the one that English teachers look for. Although a professional research paper is important, it can be accomplished without multiple sources.
Plagiarism is only the case when that one source is the only writing in your paper, or you didn't cite the source.
As for the length, I can make a pretty strong point in one paragraph.
Explanation:
a character who undergoes scientific internal change throughout the course of a story the development of a dynamic characters often step total and unstated and is not due to a change of a character circumstances
A: a source that’s cited in another source
