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    Question

    How many essential mineral elements are?

    A 17 Correct Answer Incorrect Answer
    B 14 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer
    E 21 Correct Answer Incorrect Answer

    Solution

    There are 14 essential mineral elements- N, S, P, K Mg, Ca, Fe, Cu, Zn, Cl, Mo, B, Mn, Ni. C, H, O are not minerals elements.Periodic Table marked with essential and beneficial elements

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