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: A stream going down a mountain will have to do _____ cutting. 
 Answer: much

Output: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.


Input: Consider Input: Question: Alan saw Venus through his old telescope. He then looked through his bigger, better telescope. Venus likely appears brighter through the 
 Answer: bigger telescope

Output: Larger telescopes can collect more light.


Input: Consider Input: Question: Amplifiers are used to _____ energy which makes music louder. 
 Answer: increase


Output: Amplified sound waves have more energy, which increases the intensity and loudness of the sounds, so they are easier to hear.