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: More oxygen absorption means _____ oxygen in the blood. 
 Answer: more
answer:
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:
Question: What would happen to the atmosphere as Jim climbed higher up a mountain? 
 Answer: it would become less dense
answer:
The density of the atmosphere decreases with an increase in the height above sea level (altitude).


question:
Question: Mike put two things into buckets of water. The first bucket got a rubber duck, and the second bucket got a bowling ball. The water was more displaced in the bucket with the bowling ball, because the mass was 
 Answer: larger
answer:

If we have two materials with the same volume, the material with a higher mass will be more dense.