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Question generated: Eating leafy vegetables is important for human health. This is because leafy vegetables are a good source of which of the following?

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Question generated: Arctic areas are covered with snow and ice for much of the year. Which color rabbits would be safest from foxes there?

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Question generated: Some students were on a tour exploring the inside of a cave. While the students were in the cave, they realized they heard an echo every time that they spoke. Which most likely caused the echo to occur?

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Question generated:
The sediments found in a riverbed are most likely a result of which action on nearby rock?