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.
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Question: Question: If Mona is building a machine to help her vacuum her floor and she decreases the amount of force the engine inside the vacuum, what happens to the vacuum ability to make work easier? 
 Answer: decreases

Answer: Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.


Question: Question: Alan has a rubber band on his hands. He pulls his hands apart and the rubber bands force 
 Answer: increases

Answer: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.


Question: Question: If North America is smaller then Asia, which continent experiences less trash buildup? 
 Answer: North America

Answer:
The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.