phosphorus is not found in gaseous form and is mainly found as phosphate. it can be found from the breakdown of rocks or decomposition of organisms. so it mainly involves the geosphere and biosphere
The phosphorus cycle involves the uptake of phosphorus by organisms. Phosphorus in the environment is mainly found in rocks, and natural weathering processes can make it available to biological systems. After decomposition of biological waste, it can accumulate in large amounts in soils and sediments.