The earth's biogeochemical systems involve complex, dynamic processes that depend upon many factors. The three main factors upon which life on the earth depends.
University of California College Prep
Rice University, Houston, Texas
Cut Rita Zahara
University of California College Prep , “AP Environmental Science ,” Open Educational Resource (OER) , accessed November 28, 2020, http://oer.iain-padangsidimpuan.ac.id/items/show/128.