instruction:
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: If Milo increases the number of crests of his wave, what happens to the frequency of his wave? 
 Answer: increases
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: If you spend a lot of time working out your muscles will be 
 Answer: larger
answer:
When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.


question:
Question: Plants grow better in tropical areas because it is 
 Answer: warmer
answer:

The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.