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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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