character: Dr. Elena Martinez
topic: Oceanographer
description: Specializes in studying nutrient cycling in marine ecosystems.
grade: 9
subject: Science
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character: Professor Mark Reynolds
topic: Marine Ecosystem Dynamics
description: Focuses on the impact of nutrients on ocean habitats and marine life.
grade: 9
subject: Science
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character: Natalie Johnson
topic: Ocean Nutrient Cycles
description: Researches how nutrients are distributed in oceanic environments.
grade: 9
subject: Science
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character: Dr. Samuel Patel
topic: Global Oceanography
description: Examines the role of human activity in nutrient cycling in oceans.
grade: 9
subject: Science
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