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: Because of gluons, quarks are attracted each _____ strongly the farther apart they are. 
 Answer: more
[EX A]: Gluons make quarks attract each other more strongly the farther apart the quarks get.

[EX Q]: Question: The pulling force of a rubber band will _____ when you move your hands apart. 
 Answer: increase
[EX A]: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.

[EX Q]: Question: If Jim eats animals that are lower on the food chain, the amount of toxic metals that enter his body are 
 Answer: smaller
[EX A]:
The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.