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: Mike wants his voice to travel faster, so he will speak in a room that is 
 Answer: warmer
answer:
For a given medium such as air, sound has a slower speed at lower temperatures.


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


question:
Question: Katie had to pee, and when she did, she noticed that her urine was quite dark. The darkness in the urine means Katie should drink water in amounts that are 
 Answer: larger
answer:

The darker the urine, the less water it contains.