What word can replace nonchalant without changing the meaning of the sentence above

In a short summary, describe the progression of roderick usher’s mental and physical deterioration over the course of the story. in your opinion, what brought on his illness?

Which ideas are expressed as literacy themes?

Refer to the list of words parts on the left to answer the questions. what prefix is used in the word incredulous? what suffix is used in the word incredulous? what word root is used in the word incredulous?