B, and c are what i think is the answers because they make the most sense
hope this helped i used my best logic for this xD
I am not sure what context this is in, but great father and great chief could refer to a fatherly figure to Lewis, or it could be a religious reference such as a God/ the Lord?
Answer:
No it's not worth spending millions of dolllarsto exlore space today because it's a waste if time you could die up there and nobody would know and you would have to use an oxegen tank to get air.
Expalanation:
I don't know the answer for the other one srry.