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.
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Question: Question: Jeff is stopping exercising his muscles at home. Over time his muscles will grow 
 Answer: smaller

Answer: Muscles that are exercised are bigger and stronger than muscles that are not exercised.


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

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


Question: Question: What would happen to the amount of carbon dioxide emitted if the amount of fossil fuels were increased? 
 Answer: increase

Answer:
The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.