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: Peter removed salt to his juice one morning. The mixture became _____ dense. 
 Answer: less

Output: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.


Input: Consider Input: Question: If Mona is adjusting the pH levels of her fish tank and she makes the pH lower, what happens to the baseness of the water? 
 Answer: lower

Output: The higher the pH value is, the stronger the base.


Input: Consider Input: Question: If Mona is comparing a football and a baseball and she determines that the football is rougher then the baseball, which item has less friction? 
 Answer: baseball


Output: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.