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.

Input: Consider Input: Question: Eric is looking at the shortest electromagnetic wave he has seen today. This wave has the _____ frequency of the day. 
 Answer: highest

Output: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.


Input: Consider Input: Question: If Mary is performing an experiment and she increases the frequency of her electromagnetic wave, what happens to the energy it produces? 
 Answer: increases

Output: The higher the frequency of an electromagnetic wave, the greater its energy.


Input: Consider Input: Question: If an big eighteen wheeler and a small wagon are both rolling down a small hill, which has less momentum? 
 Answer: small wagon


Output: An object has greater momentum if it has greater mass, greater velocity, or both.