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.
One example: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Solution is here: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.
Explanation: As mentioned in the input Question and Answer, the output statement constructs the explanation correctly. By decreasing the taxes, carbon dioxide emissions will rise, so the explanation is correct. 

Now, solve this: Question: John was weighing some materials in his science lab. He observed that as objects had greater density, the heaviness of the objects 
 Answer: Increased
Solution:
A given volume of a denser substance is heavier than the same volume of a less dense substance.