The fragment in the paragraph is the line containing: <span>Since passengers on the train are unable to exit and reenter at the city stops. This is because it has no independent clause.</span>
Well if you are trying to speak Latin et al means “ and others “ but it could also be used to shorten lists of author names or making them simpler.
Answer:
I think it's most likely going to be arrow - ammunition
Explanation:
The reason why I say that is because an ambulance is a vehicle. Therefore, an arrow is ammunition. This is just what I think and I don't entirely know if it's correct