character: Olivia
topic: The Role of Magnets in Recycling
grade: 4
subject: Science
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character: Olivia
topic: Understanding Magnetism
grade: 4
subject: Science
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character: Olivia
topic: How Recycling Works
grade: 4
subject: Science
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character: Olivia
topic: The Importance of Magnetic Separation in Recycling
grade: 4
subject: Science
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