a
iron, calcium and magnesium
b
nitrogen, sulphur and potassium
c
sulphur, phosphorus and iron
d
magnesium, nitrogen and iron
Explanation
Correct Option
dNo explanation available
Video Explanation
No video available
Post your Contribution
Share:
iron, calcium and magnesium
nitrogen, sulphur and potassium
sulphur, phosphorus and iron
magnesium, nitrogen and iron
No explanation available
No video available
