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.

[Q]: Question: A piece of glass has _____ friction than a piece of sandpaper. 
 Answer: less
[A]: Rougher surfaces have more friction between them than smoother surfaces.


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


[Q]: Question: When you look at a lake after the rain the water levels are 
 Answer: higher
[A]:
The water table is higher when there is a lot of rain and lower when the weather is dry.