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Related articles:
Phosphorus cycle
Sulfur cycle
Oxygen cycle
Water cycle
Hydrogen sulfide
Oxygen
Nitrogen cycle
Ecology
Key terms: cycle chemicals carbon energy element these sulfur biogeochemical cycles water held recycled reservoirs ecosystems earth living compounds plants and animals include period coal biosphere study factors atmosphere obtain compartments ciclo constantly sunlight hydrosphere lithosphere abiotic oxygen lost exchange pools balance Search external links cited by footnotes on Wikipedia page Biogeochemical cycle: |
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