C. It erodes away the material under it until the arch crashes down as well
The correct answer to the question above is (d.) The answer will be the same: school work <span>first—then</span> a movie. The sentence "The answer will be the same: work first<span>—then a movie." used the dash correctly, also the sentence was grammatically correct.</span>
A topic sentence is important in a paragraph because it tells the audience what you are talking about in your writing!
Answer:
I still need to think out my ideas for the book.
Explanation: