sixteen chemical elements
Asked by Dushyant singh | 5th Sep, 2010, 05:36: PM
The essential elements can be grouped as
(i) Macronutrients, and
Macronutrients: These include carbon, hydrogen, oxygen, nitrogen, phosphorous, sulphur, potassium, calcium and magnesium.
Micronutrients: These include iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.
Answered by | 6th Sep, 2010, 07:57: AM
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