Answer:
The answer to your question is (C). I would work out the question for you lad, but I don't know how to do it on here.
Explanation:
The force affects acceleration because the force is how strongly the pull/push is on an object. The mass also affects acceleration because the greater the mass, the more force it would need to be accelerated.
Answer: Force and mass
A) because you are moving closer to the moon
N(Au) = m/M
= 0.12/197(Or whatever your data sheet has)
= 6.091x10^-4mol