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.

[EX Q]: 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
[EX A]: Objects that are closer together have a stronger force of gravity.

[EX Q]: Question: As Earth's climate becomes warmer it will develop _____ varieties of vegetation? 
 Answer: more
[EX A]: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

[EX Q]: Question: Jefferson built a farm machine to increase food production. This likely will cause the population's lifespan to 
 Answer: increase
[EX A]:
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.