character: Online Biology Course
topic: Understanding Nitrogen and Phosphorus Cycling
grade: 12
subject: Biology
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character: Ecosystem Dynamics
topic: Nutrient Cycles and Ecosystem Health
grade: 12
subject: Biology
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character: Environmental Biology
topic: Impact of Fertilizers on Nitrogen and Phosphorus Levels in Water Bodies
grade: 12
subject: Biology
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character: Sustainable Agriculture
topic: Nitrogen Fixation and Phosphorus Management in Crops
grade: 12
subject: Biology
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