WAEC Biology 2020 Objective — Question 26
Question 26 of 50 from the West African Examinations Council (WAEC) Biology 2020 Objective paper, with the correct answer and a full explanation.
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An example of a trace element is
- A. potassium
- B. calcium
- C. magnesium
- D. copperCorrect
Explanation
Copper is a trace element. Trace elements are those nutrients required in very small quantities.
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