Phosphorus Cycle: Essay on the Phosphorus Cycle | Earth | Geography
After reading this essay you will learn about the phosphorus cycle. Phosphorus is an essential nutrient for plants and animals in the form of ions PO43- and HPO42-. It is a part of DNA-molecules, of molecules that store energy (ATP and ADP) and of fats of cell membranes. Phosphorus is also a building block of certain parts of the human [...]