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: Ford lives in a town with 6 thousand people. Wong lives in a town with 1 million people. Which population, if contained entirely, would experience more drifting allele frequencies? 
 Answer: Wong
[A]: The smaller a population is, the more allele frequencies may drift.


[Q]: Question: Quent increases the energy of a liquid. He notices that the particles in the liquid 
 Answer: speed up
[A]: As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.


[Q]: Question: Karen is studying friction in school. She wonders, of her two twin friends Sara and Samantha, which is causing more friction with the floor. They have on different shoes. Sara is wearing smooth soled tap shoes, while Samantha is wearing much rougher soled work boots. Assuming their weight is the same and all other factors are constant, _____ is creating more friction with the ground. 
 Answer: Samantha
[A]:
Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.