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: When you are driving up a mountain you will notice the temperature 
 Answer: decreases
[A]: Air in the troposphere is warmer closer to Earths surface.


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


[Q]: Question: Dean wants his solution to be as acidic as possible, so his concentration of hydrogen ions will be 
 Answer: higher
[A]:
With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.