character: Mr. David Smith
topic: Solar Power and its Applications
grade: 9
subject: Science
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character: Ms. Sarah Johnson
topic: Renewable Energy Sources
grade: 9
subject: Science
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character: Dr. Emily Taylor
topic: The Science of Photovoltaics
grade: 9
subject: Science
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character: Mr. James Brown
topic: Environmental Impact of Solar Energy
grade: 9
subject: Science
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