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

Question I was asked: Grooves running down the sides of a riverbank are most likely caused by

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A scientist developed a model that described the actions of DNA in the cell nuclei, which helped explain how traits were inherited. Which scientist helped develop this model?

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Question generated: A snail's shell provides the snail with

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

Answer: Which best explains how the Appalachian Mountains formed?

question: Write a question you would see in a school textbook. OPTIONS:
- Sunlight can be separated into all the colors of the rainbow.
- Water reflects sunlight like a mirror to make it look colored.
- Overhead black clouds reflect in puddles to cause a mirage.
- Air pollution causes the sky to look colored under these conditions.
answer: Denise was driving east over a hill in the afternoon, shortly after a rain shower. Suddenly the sun broke through the clouds, and she saw a rainbow ahead of her. Which of the following made the rainbow possible?

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Question generated:
Which event becomes more likely during a drought in a prairie ecosystem?