What punctuation mark is often used to insert explanatory text into a quatation?

Adam posted in a thread about theoretical physics. in his post he refuted general relativity and cited a paper that was recently self-published by one person on her own personal website and had no references to other works in the field. which important question did adam not answer sufficiently when evaluating the cited paper?

The tone of a story is the author's attitude toward the subject. provide two examples that support the conclusion that the tone of this story is ironic.

Realism was a fairly influential and widespread literary movement in the united states in the latter half of the nineteenth century. which american writer is among the pioneers of american realism? a. ernest hemingway b. f. scott fitzgerald c. j. d. salinger d. mark twain