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

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.