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.

Input: Consider Input: Question: Objects that are farther apart have a _____ force of gravity. 
 Answer: weaker

Output: Objects that are closer together have a stronger force of gravity.


Input: Consider Input: Question: Two small suns moving closer will have _____ gravitational force between them than two large suns. 
 Answer: less

Output: The greater the mass of the objects, the stronger the gravitational force of attraction between them.


Input: Consider Input: Question: Erin is trying to get her solution to have a pH as close to zero as possible. The best way for Erin to do that is to have the acidity of the solution 
 Answer: increase


Output: The more acidic a solution is, the closer its pH value will be to 0