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Biology B
Ecosystems and Photosynthesis
Interdependence in Ecosystems
Percentage Mass Calculations
Percentage Mass Calculations
OCR GCSE Biology B (J257) — Ecosystems and Photosynthesis
What You Need to Know
Calculate the percentage of mass in the context of substance cycling.
Revision Notes
1
Percentage Mass Calculations
13 key terms
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Role of Microorganisms
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Decomposition Factors
