character: Dr. Sarah Johnson
topic: Carbon Dioxide: Sources, Sinks, and Climate Impact
grade: 11
subject: Geography
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character: Mr. Anthony Green
topic: The Role of Plants in Carbon Dioxide Absorption
grade: 11
subject: Geography
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character: Ms. Emily White
topic: Impact of Human Activities on CO2 Levels
grade: 11
subject: Geography
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character: Dr. David Lee
topic: Global Warming and Its Relationship with Carbon Emissions
grade: 11
subject: Geography
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