Answer:
B. chemical weathering. This involves different substances
Explanation:
<span>When you are narrowing your topic, what element of your short story are you identifying when you ask, “What does my character want, and what is preventing him from getting it?” </span>conflict
I think it's A, because "very" seems like a weak word, and "nice" also seems like a weak word judging by the sentence. Hope I helped! :D