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: If Milo increases the number of crests of his wave, what happens to the frequency of his wave? 
 Answer: increases
[A]: 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.


[Q]: Question: Slowing plate tectonics indicates convection is 
 Answer: decreasing
[A]: Convection on early Earth was faster and so plate tectonics was faster.


[Q]: Question: Dean is going into space, and passes through the stratosphere. He looks at the temperature around him as he does, and he sees that as he heads into space, the temperature 
 Answer: increases
[A]:
The stratosphere contains the ozone layer, the temperatures increase as altitude increases.