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.

Q: Question: If Milo starts rubbing two surfaces together quickly and then decrease the speed, what happens to the amount of energy produced? 
 Answer: decreases

A: Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.
****
Q: Question: John wanted to gain weight so he initiated a routine of eating a sugary donut in the morning. As a result, he felt hyper as his blood glucose level rose. Did the amount of insulin in his blood likely 
 Answer: increase

A: As blood glucose levels decrease, less insulin is produced.
****
Q: Question: If Jim is playing with some objects and moving them around and he moves them closer together, the gravitational force between them 
 Answer: increases

A:
The closer objects are to each other, the stronger the gravitational force between them.
****