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

Answer: The more cylinders a car engine has, the more powerful its engine can be.


Question: Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Answer: lower

Answer: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.


Question: Question: Anna swims across the surface of a lake and later she plunges several feet below the surface to explore. At which depth will the temperature of the water be warmer 
 Answer: surface of water

Answer:
Water also gets colder as you go deeper.