character: Carl Sagan
topic: The Role of Gases in Atmospheric Layers
grade: 11
subject: Chemistry
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character: Albert Einstein
topic: Effects of Gases on Climate Change
grade: 11
subject: Chemistry
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character: Marie Curie
topic: Chemical Composition of Planetary Atmospheres
grade: 11
subject: Chemistry
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character: Rachel Carson
topic: Impact of Human Activity on Atmospheric Gases
grade: 11
subject: Chemistry
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