instruction:
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.
question:
Question: Milo was moving some metal balls around. If he were to move the balls closer together, what would happen to the force of gravity? 
 Answer: increase
answer:
Objects that are closer together have a stronger force of gravity.


question:
Question: John was observing a circuit breaker in operation to see if it would pop. He noticed that as the current increases, the electromagnet becomes 
 Answer: Stronger
answer:
If the current passing through the circuit breaker increases, the electromagnet becomes stronger.


question:
Question: If America is a rich nation and China is a poor nation, which nation uses less energy resources? 
 Answer: China
answer:

Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.