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Chapter 5: The Biogeochemical Cycles

Chapter 5: The Biogeochemical Cycles

Chapter 5: The Biogeochemical Cycles

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<strong>The</strong> Geologic Cycle<br />

• Over the last 4.6 billion years rocks and soils has<br />

been continually<br />

– Created, maintained, changed, and destroyed<br />

– By physical, chemical, and biological processes<br />

• Geologic cycle - group of cycles that are<br />

responsible for formation and change in the<br />

lithosphere<br />

– Tectonic, hydrologic, rock, and biogeochemical

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