character: Professor Mark Thompson
topic: Greenhouse Gases and Ecosystem Responses
grade: 11
subject: Chemistry
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character: Dr. Lisa Chen
topic: Impact of Carbon Dioxide on Plant Growth
grade: 11
subject: Chemistry
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character: Mr. David Johnson
topic: Effects of Methane on Climate Change
grade: 11
subject: Chemistry
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character: Ms. Emily Clark
topic: Ozone Layer Depletion and Its Effects on Ecosystems
grade: 11
subject: Chemistry
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