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


question:
Question: One reason scientists sometimes use smaller telescopes for bright objects is because they collect 
 Answer: less light
answer:
Larger telescopes can collect more light and see finer details than smaller telescopes.


question:
Question: Will measures water at a pH of 7, while a bleach solution measures at 12. Which substance is less basic? 
 Answer: water
answer:

Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.