The main purpose of the sentence is to Develop conflict.
Answer:
Checked luggage.
Explanation:
According to the FAA website, dry ice is only accepted in checked luggage, and must be marked with "dry ice" or "carbon dioxide, solid." It also must remain partially open, as this allows the release of carbon dioxide, preventing accidents.
Not sure how to answer this lol
I believe the answer is D as well. Hope this helps