2 and 3, that’s my answer
It would be his hunger, thirst, and suffocation in the train car. The other options are internal conflicts because they are occurring inside his head and are emotions or thoughts.
In my dictionary (my brain), reckless means causing trouble nonstop. But you should look it up for a more accurate answer.
Hope I helped!
Answer:
"How do US citizens benefit from wildlife conservation?"
Explanation:
This phrasing puts a subject in the sentence, making it more descriptive.