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: If we have a bag of feathers and a bag of bricks of the same volume, the heavier item will be the 
 Answer: bricks
[A]: If we have two materials with the same volume, the material with a higher mass will be more dense.


[Q]: Question: Milo lives in a small city, but the city has recently begun to experience an influx of people moving to it. As people move there and demand for water decreases, what happens to the availability of water in Milo's city? 
 Answer: increases
[A]: The availability of water is projected to get worse as demand increases.


[Q]: Question: What happens to UV levels under the ozone hole? 
 Answer: increase
[A]:
With less ozone in the stratosphere, more UV rays reach the ground.