TASK DEFINITION: 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.
PROBLEM: Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get better exfoliation, due to the greater friction, when he washes his body using the 
 Answer: loofah

SOLUTION: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

PROBLEM: Question: Less oxygen absorption means _____ oxygen in the blood. 
 Answer: less

SOLUTION: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.

PROBLEM: Question: High frequency bass notes have what length wavelengths 
 Answer: short

SOLUTION:
Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.