Biospheric Processes: Oxygen Cycle, Food Chains, Photosynthesis, Evolution, Extinction, Migration, Lithospheric Processes: Erosion, Weathering, Nitrogen and Phosphorus Cycle, Tectonic Processes, Hydrospheric Processes: Precipitation, Infiltration, Run-off, Evaporation, Transpiration, Condensation, Atmospheric Processes: Absorption (light), Reflection (light), Scattering (light), Aeolian (winds),

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