character: Dr. Jane Goodall
topic: Impact of Photosynthesis on Carbon Dioxide Levels
grade: 9
subject: Biology
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character: Carl Sagan
topic: The Greenhouse Effect and Its Relation to Photosynthesis
grade: 9
subject: Biology
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character: Rachel Carson
topic: Photosynthesis in Ecosystems
grade: 9
subject: Biology
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character: David Attenborough
topic: Role of Plants in Carbon Sequestration
grade: 9
subject: Biology
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