Montana State University Extension Service By Charles W. Rice and Richard Nelson, Kansas State University; Leslie Jones, Montana State University
Date Published:
9/2004
Description:
Carbon (C) is the building block of life. It is the fourth most abundant element in the universe, after hydrogen (H), helium (He) and oxygen (O). All life is made up of carbon. Fifty percent of the dry weight in the human body is made up of it. It also exists in the environment as an element in carbonate rocks, petroleum, natural gas, steel, organic matter, and the air we breathe.
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