Author Question: Which of the following elements, essential to life, is a trace element? A) phosp (Read 1079 times)

Mr. Wonderful

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Which of the following elements, essential to life, is a trace element?
A) phosphorus
B) carbon
C) iodine
D) calcium



Millan

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This is for essentials biology, right? the answer is C. Bye for now.



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