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# The earth's core is known to contain iron. yet geologists do not regard this as a source of the earth mergnetisum . Why ?

$\begin{array}{1 1} \text{iron deposits less quantities } \\ \text{iron deposits are in the form of their compounds} \\ \text{iron deposits are in the molter state } \\ \text{none of the above} \end{array}$

Answer : $\text{iron deposits are in the molter state }$