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The following are observations made on fertilizers and manures:
(i) Nutrients are readily released
(ii) Have nutrients in specific amounts.
(iii) Improves soil structure.
(iv) Benefits are long term.
Which two observations are for manure?
A.(i) and (ii)
B.(ii) and (iii).
C.(iii) and (iv)
D.(i) and (iv)