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.

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

Example Input: Question: Would it be easier to push a block up a 
 Answer: shallow slope
Example Output: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

Example Input: Question: A village is gathering food for the winter. The less food they gather the likelihood of survival being high is 
 Answer: small
Example Output:
New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.