TASK DEFINITION: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
PROBLEM: Question: A planet that is larger has 
 Answer: more gravity

SOLUTION: Objects with greater mass have a stronger force of gravity between them.

PROBLEM: Question: When there are fewer people in an area the amount of water will 
 Answer: increase

SOLUTION: The availability of water is projected to get worse as demand increases.

PROBLEM: Question: Milo loved to make things out of clay. If he made a clay ball, what would happen to the ball's gravitational force if he removed clay from it? 
 Answer: decrease

SOLUTION:
The gravitational force increases with mass and decreases with the distance between the bodies.