Oxygen, magnesium, sulphur, calcium, etc. are _______ elements
Answers
Answered by
1
Answer:
nonmetallic chemical element
Explanation:
oxygen (O), nonmetallic chemical element of Group 16 (VIa, or the oxygen group) of the periodic table.
Answered by
0
Answer:
MacroNutrient.
Explanation:
Macronutrients are generally present in plant tissues in large amounts
(in excess of 10 mmole Kg –1 of dry matter). The macronutrients include
carbon, hydrogen, oxygen, nitrogen, phosphorous, sulphur, potassium,
calcium and magnesium. Of these, carbon, hydrogen and oxygen are
mainly obtained from CO2
and H2O, while the others are absorbed from
the soil as mineral nutrition.
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