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: Geremy went to the gym frequently, while Tim did not. Who likely has larger muscles? 
 Answer: Geremy
answer:
Exercising muscles increases their size, and bigger muscles have greater strength.


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


question:
Question: If an isomer has less branching than another isomer, it should have a _____ melting point. 
 Answer: higher
answer:

The more branching there is in isomers, the lower the boiling and melting points are.