Water Cycle: precipitation, transpiration, aquifers are part of the hydrosphere, they store this nutrient underground, surface runoff, Carbon Cycle: combustion, diffusion/gas exchange, formation of fossil fuels, photosynthesis and respiration cycle this nutrient through the biosphere, Nitrogen Cycle: lightning brings this nutrient from the atmosphere to lithosphere, assimilation, ammonia , bacteria "fix" this nutrient, Phosphorus Cycle: uplift, weathering, does not have an atmospheric component, fertilizer runoff,

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