character: Dr. Green
topic: Biogeochemical Cycles and Energy in Ecosystems
grade: 11
subject: Science
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character: Ms. Brown
topic: The Water Cycle and its Impact on Ecosystems
grade: 11
subject: Science
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character: Mr. Smith
topic: Energy Flow and Nutrient Cycling in Ecosystems
grade: 11
subject: Science
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character: Dr. White
topic: The Role of Decomposers in Biogeochemical Cycles
grade: 11
subject: Science
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