Spender is the archaeologist for the fourth expedition. He reveres Mars and quickly leaves the crew to explore the planet by himself. He learns to read Martian. Finally, he decides that he should kill off the crew in an effort to preserve Mars.
Answer:
the idea of duty, or what people should do
Explanation:
Answer:
D
Explanation:
I think it is D because if you look closely at all the rules mark 5 in the figure