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.

[Q]: Question: A sound wave, very far away from its source, is spread out _____ than near its origin. 
 Answer: more
[A]: The farther the sound waves travel away from the source, the more spread out their energy becomes.


[Q]: Question: When April rested on the couch, as opposed to running, she noticed that her heart was beating 
 Answer: slower
[A]: Warming up exercises increases the blood flow to the muscles and increases the heart rate.


[Q]: Question: Sasha increases the frequency of a wave. This wave now has _____ energy. 
 Answer: more
[A]:
Higher-frequency waves have more energy.