character: Professor Mark Stevens
topic: Carbon Cycle and Climate Change
grade: 11
subject: Chemistry
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character: Dr. Emily Zhang
topic: Impact of CO2 on Climate
grade: 11
subject: Chemistry
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character: Dr. Sarah Johnson
topic: Greenhouse Gases and Global Warming
grade: 11
subject: Chemistry
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character: Dr. Alan Richardson
topic: Soil Carbon Storage and Climate Regulation
grade: 11
subject: Chemistry
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