Carbon, hydrogen, oxygen and __________ are known as the major biomolecules that make up life
Biology · High School · Mon Jan 18 2021
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Carbon, hydrogen, oxygen and nitrogen are known as the major biomolecules that make up life. Atomic number of nitrogen is 7 and atomic mass of nitrogen is 14 u. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.