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: Jeff put a rock under very minimal metamorphosis. The rock probably _____ its original form. 
 Answer: resembles

Output: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.


Input: Consider Input: Question: By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to 
 Answer: decrease?

Output: Water density increases as salinity and pressure increase, or as temperature decreases.


Input: Consider Input: Question: A high-frequency wave will have _____ energy than a low-frequency wave. 
 Answer: more


Output: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.