A. nitrogen, phosphorus and sulphur
B. calcium, magnesium and potassium
C. magnesium, calcium and phosphorus
D. sulphur, magnesium and potassium
Correct Answer:
Option A – nitrogen, phosphorus and sulphur
A. nitrogen, phosphorus and sulphur
B. calcium, magnesium and potassium
C. magnesium, calcium and phosphorus
D. sulphur, magnesium and potassium
Correct Answer:
Option A – nitrogen, phosphorus and sulphur
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