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Question generated: If Lisa wants to experiment with bean plants, which of these is the best example of a hypothesis?

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Question generated: A large rock breaks into small pieces within 10 years. Which process is most likely responsible for breaking the large rock into small pieces within 10 years?

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Question generated: When light is bounced off a mirror, the light is

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Question generated:
Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?