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.

Q: Question: A car with 4 cylinders is _____ than a car with 6 cylinders. 
 Answer: less powerful

A: The more cylinders a car engine has, the more powerful its engine can be.
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Q: Question: John was looking at sunscreen at the retail store. He noticed that sunscreens that had higher SPF would offer protection that is 
 Answer: Longer

A: A sunscreen with a higher SPF protects the skin longer.
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Q: Question: If Mona is boiling a glass of water and the temperature of the water begins to increase, what happens to the density of that water? 
 Answer: decreases

A:
Lower temperature and higher salinity yield the densest water.
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