Answer:
closer
Explanation:
The closer two objects are to each other, the stronger the force of gravity is between them.
C. The gravity of the moon
Sometimes some questions don't have a submit button. This happened to me and I know that you just have to move onto another question. Then when you find one that has an answer button you type in you answer and press the answer button for points.
I think you just typed the answer in the 2nd paragraph:)