Aspaceship carrying rocks has
less momentum than an empty spaceship
more momentum than an empty spaceship
no momentum
the same amount of momentum as an empty spaceship

I just took the test and the answer is  B, "More momentum than an empty spaceship"

For anyone else who need the answer since this question is 2 years old

answer; the above answer to the above statement is (true)

69 is the correct math for the amino acids