Which sentence uses commas incorrectly? A. The house, if you could call it that, was rapidly collapsing.
B. The temperature, outside of the house, and inside of the house, is dropping.
C. Sue, unlike her siblings, was a skilled musician.
D. My scores, I am happy to report, are improving.

The house, if you could call it that, was rapidly collapsing

in general, fiction refers to plot, settings, and characters created from the imagination, while nonfiction refers to factual stories focused on actual events and people. however, the difference between these two genres is sometimes blurred, as the two often intersect.

explanation:

two factors or characteristics of a chapter that might make it difficult to read would be words i don't understand, or if i don't fully understand what's going on in the chapter. strategies i can use to get through the difficult material would be a dictionary, and re-reading previous chapters to get a better grasp of what the author is trying to say.