In the term trace element, the word trace means that ___A. the element improves health but is not essential for the organism's long-term survival. B. the element can be used as a label to trace atoms through an organism's metabolism. C. the element is required by the body in very small amounts. D. the element is very rare on Earth.

The correct answer is C (The element is required by the body in very small amounts)

Explanation:

By definition, trace elements are elements required in small quantities in living organisms for proper functioning of physiological and biological processes.Examples: iron,iodine,zinc,copper etc.

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