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In which of the following, all three are macronutrients

  • Iron, copper, molybdenum

  • Molybdenum, magnesium, manganese

  • Nitrogen, nickel, phosphorous

  • Boron, zinc, manganese

Answer

C.

Nitrogen, nickel, phosphorous

Option c is the most appropriate as it has two macronutrients. 

Option c is the most appropriate as it has two macronutrients.