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: If Milo wants to make his water saltier and begins adding salt to the glass, what happens to the density of the glass of water? 
 Answer: increases
Output:
If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.