which are the physical and biological elements used for human welfare all over the world
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You, and every living thing on Earth, are a mix of mostly carbon, hydrogen, oxygen, with smaller amounts of things like sulfur, chlorine, calcium, iron, phosphorous,nitrogen, sodium, and potassium. There are trace amounts of several other elements as well, but those comprise the vast majority.
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3
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Explanation:
You, and every living thing on Earth, are a mix of mostly carbon, hydrogen, oxygen, with smaller amounts of things like sulfur, chlorine, calcium, iron, phosphorous,nitrogen, sodium, and potassium. There are trace amounts of several other elements as well, but those comprise the vast majority.
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