You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Q: Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: If Mona fills up a cup with water and places that water into the freezer, what happens to the density of the water as it cools down? 
 Choices: A)increases 
B)decreases
A:
increases