On because it shows the relative location
Compel is the antonym of impel
For in-text citations using MLA format, the correct answer would be A because you cite quotes using (last name, page #). So in this case, you would use the authors last name (Krakauer) first, and follow it with the page number from the page you are going to use (page 42). So, the citation should look like (Krakauer 42) and go at the end of the cited quote.
Answer:
The putting out of light and a person saying goodbye to someone they love
Explanation: