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

Question I was asked: Pumice is formed when lava from a volcano cools. Which rock type is pumice?

Random question?

Which of the following foods is highest in polysaccharides?

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Question generated: Which situation is an example of a feedback system in the body that maintains homeostasis?

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

Answer: The average temperature of the surface of Earth has increased approximately 1C in the past century. Which reason best explains this increase in temperature?

question: Write a question you would see in a school textbook. OPTIONS:
- alteration of a food web
- degradation of a habitat
- modification of a climate
- reversal of a flow of energy
answer: When hunting by humans causes a species to become extinct, this may produce damaging effects throughout the ecosystem of the extinct species. What is the cause of this damage?

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Question generated:
A device that converts light energy into electricity used in many handheld calculators is a