I believe its C. Atomic numbers represent the number of protons, thus, it can be concluded that an oxygen atom does indeed have more protons than a hydrogen atom :)
the question was what does possession nine-tenths of the law actually mean well to me I really think that it means to go to jail like 10 months or 9 months because it's the law and if you break that you probably go to jail so considerate to me I think that's what it means