You will be given a definition of a task first, then some input of the task.
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: Joe was experimenting with decibels. He tried listening to it at different levels and noticed that as the decibels decreased the sound waves were 
 Answer: less audible
Output:
As decibel levels get higher, sound waves have greater intensity and sounds are louder.