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Earth Sciences 14 Online
OpenStudy (anonymous):

Only six elements make up 99% of the human body's mass. The six elements are A. oxygen, hydrogen, nitrogen, calcium, phosphorus, and zinc. B. carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus. C. carbon, oxygen, hydrogen, nitrogen, calcium, and sodium. D. oxygen, hydrogen, nitrogen, calcium, phosphorus, and sodium.

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