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.
--------
Question: Question: Ron watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a greater frequency? 
 Answer: 10 crests

Answer: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.


Question: Question: Brad wants to go to the gym less regularly, so that his muscles will get smaller. Another aspect of having smaller muscles means that Brad will likely be 
 Answer: weaker

Answer: Exercising muscles increases their size, and bigger muscles have greater strength.


Question: Question: Endotherms have the ability to regulate their own temperature. By decreasing it's rate of metabolism, the body heat becomes 
 Answer: Decreased

Answer:
For example, on a cold day, an endotherm may produce more body heat by increasing its rate of metabolism.