The study of living things in outer space.
It would be my pleasure to help you out on this answer. Would it be alright if you would take a photo of the text your are going to right about?
Answer:
Explanation:
D belongs in the body of the argument.
A has all kinds of problems. 1 is the ability to volunteer on such a complex mission as firefighters have. To volunteer with no training is actually dangerous.
B is already in the body of the quotation
The answer should be C