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: If Mona is adjusting the pH levels of her fish tank and she makes the pH lower, what happens to the baseness of the water? 
 Answer: lower
answer:
The higher the pH value is, the stronger the base.


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: If the people in Mary's country start to create less greenhouse gases, what will happen to the possibility that changes may occur? 
 Answer: decrease
answer:

As greenhouse gases increase, changes will be more extreme.