their masses, only their diameters, only their masses and how far apart they are their diameters and how far apart they are
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The gravitational force between the Moon and Earth depends on
Possibilities:
- their masses, only
- their diameters, only
- their masses and how far apart they are
- their diameters and how far apart they are

their masses and how far apart they are