Question
The four most common elements in the human body include _________.a. calciumb. sodiumc. carbond. nitrogene. Both $\mathrm{c}$ and $\mathrm{d}$ are correct.
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According to the explanation, these are hydrogen, oxygen, carbon, and nitrogen. Show more…
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The three most abundant elements in a human skin cell are a. calcium, carbon, and oxygen. $b,$ carbon, hydrogen, and oxygen. $c .$ carbon, hydrogen, and sodium. $d$. carbon, nitrogen, and oxygen. $e .$ nitrogen, hydrogen, and oxygen.
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All of the following are examples of the four major elements contributing to body mass except (a) hydrogen, (b) carbon, (c) nitrogen, (d) sodium, (e) oxygen.
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