The four elements that make up 99% of all elements found in a living s – InterviewSolution

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1.	The four elements that make up 99% of all elements found in a living system areA. CHOSB. CHOPC. CHOND. CNOP
Answer» Correct Answer - C Carbon, hydrogen, oxygen and nitrogen are called as big four of the cell. C is 18%, O is 65%, H is 10% and N is 2.5%. These are principal non-metal elements and form 95% of total cellular materials.

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