Which of the following is an example of a trace mineral?

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Trace minerals are minerals that are essential in small amounts (<100mg/day) for maintaining good health. Potassium, sodium, and calcium are considered macrominerals because they are required in larger amounts by the body. Iron, on the other hand, is a trace mineral that is necessary for the production of hemoglobin in red blood cells and the transportation of oxygen throughout the body.

Which of the Following Is an Example of a Trace