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: Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that the first ones he found are 
 Answer: younger
[EX A]: Older rocks are at the bottom and younger rocks are at the top.

[EX Q]: Question: If Jim has two variables that are part of an inverse relationship, what will happen to the second variable if he increases the first variable? 
 Answer: it decreases
[EX A]: In an inverse relationship, when one variable increases, the other variable decreases.

[EX Q]: Question: Two batteries are sitting on a table, one has energy being passed quickly around, the other has energy passed slowly around. The battery with energy being passed slowly has particles of matter that are 
 Answer: further apart
[EX A]:
When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.