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: Terry replaces cut down trees in the forest. The air is now _____ dry. 
 Answer: less
With fewer trees, the air is drier and droughts are more common.

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

Question: John was looking at a diagram of an electrical system. He observed that it was more difficult for electronics to move when the wire was 
 Answer: Thinner

A thinner wire is more difficult for electrons to move through than a thicker wire.