Atmosphere
there is no atmosphere in the phosphorus cycle
Biosphere - Hydrosphere
Surface/fertilizer runoff
Hydrosphere - Geosphere
Sedimentation (Storing old rocks or dead animals) and uplift
Biosphere - Geosphere
Decomposition
Biosphere - Biosphere
Feeding
Geosphere - Hydrosphere
Dissolves
Geosphere - Geosphere
Weathering
Human impacts?
Fertilizer
Importance?
Nutrient (cell membranes + DNA)