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.

Input: Consider Input: Question: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is 
 Answer: less dense.

Output: Lower temperature and higher salinity yield the densest water.


Input: Consider Input: 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

Output: For a given medium, sound has a slower speed at lower temperatures.


Input: Consider Input: Question: When you hold two magnets close together what is the force between them? 
 Answer: Strong


Output: As the distance between the objects increases the magnetic force of attraction decreases.