character: Professor Emily
topic: Atmosphere and Greenhouse Gases
grade: 11
subject: Chemistry
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character: Professor John
topic: Impact of Greenhouse Gases on Climate Change
grade: 11
subject: Chemistry
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character: Dr. Sarah
topic: Water Cycle and Its Importance in Ecosystems
grade: 11
subject: Chemistry
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character: Professor Alan
topic: Chemical Processes Involved in the Water Cycle
grade: 11
subject: Chemistry
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