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In humans, the amount of sugar in blood is controlled by the release of a hormone called insulin. This process is an example of

I just took a test in school today. What question was I asked?

Question I was asked: What advantage do sea stars gain from having radial symmetry?

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A ball is tossed up in the air and it comes back down. The ball comes back down because of

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Question generated: The temperature in a hot star is high enough to pull electrons away from atoms. What state of matter results from this process?

Problem: Write a question you would see in a school textbook.

Answer: A car has a small gasoline engine combined with a battery-powered electric motor. When the car stops at a red light, the gasoline engine stops running and the electric motor begins working. How does this type of car most likely benefit people?

Problem: Write a question you would see in a school textbook.

Answer:
A negatively-charged ion has