character: National Geographic
topic: Impact of Carbon Dioxide in the Ecosystem
grade: 10
subject: Biology
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character: National Geographic
topic: The Greenhouse Effect and Climate Change
grade: 10
subject: Biology
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character: National Geographic
topic: Photosynthesis and Carbon Dioxide Cycle
grade: 10
subject: Biology
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character: National Geographic
topic: Ocean Acidification and Its Effects on Marine Life
grade: 10
subject: Biology
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