Fertilisers are used to provide three of the elements needed for plant growth.
Which two compounds would give a fertiliser containing all three of these elements?
A. Ca(NO3)2 and (NH4)2SO4
B. Ca(NO3)2 and (NH4)3PO4
C. KNO3 and (NH4)2SO4
D. KNO3 and (NH4)3PO4
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Answer:
option c) is the correct answer
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