character: Ms. Sarah White
topic: Comparing Different Greenhouse Gases: Methane vs. Carbon Dioxide
grade: 9
subject: Chemistry
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character: Mr. John Smith
topic: The Impact of Carbon Dioxide on Climate Change
grade: 9
subject: Chemistry
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character: Dr. Emily Johnson
topic: Understanding the Role of Methane in the Atmosphere
grade: 9
subject: Chemistry
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character: Mrs. Lisa Brown
topic: Greenhouse Gases: Their Sources and Effects
grade: 9
subject: Chemistry
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