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.

Example Input: Question: If Milo is out exploring and he comes across two glaciers, each with their own u-shaped valley, will the smaller or larger glacier have a smaller u-shaped valley? 
 Answer: smaller glacier
Example Output: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.

Example Input: Question: Wendy decreases the frequency of her radio's sound waves. These waves now have _____ energy. 
 Answer: less
Example Output: Higher frequency waves have greater energy.

Example Input: Question: Lonnie decreased the frequency of some microwaves he was working with. The resulting microwaves now contain _____ energy. 
 Answer: less
Example Output:
With higher frequencies, the microwaves also have more energy.