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.

Input: Consider Input: Question: When a city contracts the distance across the city 
 Answer: decreases

Output: As the Universe expands, galaxies move further and further apart.


Input: Consider Input: Question: Will measures water at a pH of 7, while a bleach solution measures at 12. Which substance is more basic? 
 Answer: bleach

Output: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.


Input: Consider Input: Question: If Mary is performing an experiment and she increases the frequency of her electromagnetic wave, what happens to the energy it produces? 
 Answer: increases


Output: The higher the frequency of an electromagnetic wave, the greater its energy.