how many metals occur in Earth crust
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Sial and Sima (silicon,manganese,aluminium)
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Many metals actually occur in earth crust
But three main metals occur in the earth surface they are
1 . Sial
2 sima
3 alluminium
But three main metals occur in the earth surface they are
1 . Sial
2 sima
3 alluminium
khashu12:
Even Maganse and slicon
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