Complex sentence: Whereas the global biogeochemical cycles describe the natural movement and exchange of every kind of particulate matter through the living and non-living components of the Earth, nutrient cycling refers to the biodiversity within food web systems that loop organic nutrients or water supplies back into production.
Split into simpler sentences: Whereas the global biogeochemical cycles describe the natural movement and exchange of every kind of particulate matter through the living and non-living components of the Earth. Nutrient cycling refers to the biodiversity within food web systems that loop organic nutrients or water supplies back into production.