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The alkali metal needed for the growth of the plants is

$\begin{array}{1 1}(a)\;Li&(b)\;K\\(c)\;Fe&(d)\;Cs\end{array}$

1 Answer

The alkali metal needed for the growth of the plants is K.
Hence (b) is the correct answer.
answered Jan 27, 2014 by sreemathi.v
 
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