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\begin{tabular}{|l|l|l|l|}
\hline & \multicolumn{1}{|c|}{ Elements } & Concentration & Symptoms \\
\hline \( \mathrm{i} \) & \( \mathrm{Ca}, \mathrm{Mg}, \mathrm{Cu}, \mathrm{K} \) & At critical concentration & Necrosis \\
\hline \( \mathrm{ii} \) & \( \mathrm{N}, \mathrm{K}, \mathrm{S}, \mathrm{Mo} \) & Above critical concentration & Inhibition of cell division \\
\hline iii & \( \mathrm{N}, \mathrm{K}, \mathrm{S} \) & less than \( 10 \mathrm{~m} \) mole per kg dry weight & No symptoms \\
\hline iv & \( \mathrm{N}, \mathrm{K}, \mathrm{Mg} \) & Below critical concentration & Chlorosis \\
\hline
\end{tabular}
Which of the following is/are correct combination(s)?
(1) i i ii \& iii
(2) ii \& iii
(3) Only iv
(4) Only iii
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