Theories are modified or revised where there is a new evidence which is at odd with the old theory, and which the old theory cannot explain.
They're modified when the old theory can't explain the new data and revised if it's predicting the opposite of the new data.
Answer: Language like, "walls had been lined with human remains, piled to the vault overhead," is descriptive enough to let a reader imagine what the setting looks like, placing them in the same fearful position the character is in. Not only does this descriptive language help readers vividly imagine what a setting looks like, it helps readers feel what characters are feeling. With the descriptive, vivid language that Byron and Poe use, readers can really insert themselves into a story.
Explanation:
I would say that all of them are answers to the question