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 Mary is playing music in her room and the heater stops working, causing the temperature to fall, what happens to the speed of the soundwaves her radio is generating?
Answer: decreases
[A]: For a given medium, sound has a slower speed at lower temperatures.

[Q]: Question: Decreasing the mass of an object causes its inertia to
Answer: decrease
[A]: The full box is harder to move because it has greater mass and therefore greater inertia.

[Q]: Question: Compared to sound waves travelling through a cup of boiling water, would sound waves travelling through a cup of ice water move
Answer: slower
[A]:
For a given medium, sound waves travel more slowly at lower temperatures.