answer is
B because
if the word is plugged in then the paragraph would seem as if that it is explaining why you need patience to take pictures of snowflakes
The correct answers are B. direct quotation, D. original ideas, <span>A. common knowledge information, and </span>C. summary of a discussion
Tables and diagrams are not necessary but they can be helpful. Without providing these four a writer can be accused of plagiarism.
He was giving a sarcastic smile because there was literally nothing inside it.