Which one of the following is not an essential mineral element for plants while the remaining three are? (a) Iron (b) Manganese (c) Cadmium (d) Phosphorus

Which one of the following is not an essential
mineral element for plants while the remaining
three are?
(a) Iron (b) Manganese
(c) Cadmium (d) Phosphorus
by

1 Answer

Answer :

(c) Cadmium
by

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