Geography, asked by krishnabora705, 5 months ago

what are the main elements of sial and sima​

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Answered by souravjha119777
1

Answer:

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Answered by bhavee1257
2

Answer:

The inner layer again has three layers, i.e, SIAL which is made of silica and aluminum. The average thickness is 8 to 100 km. The layer next to it is SIMA makeup of silica and magnesium and an average thickness of this layer is 100 to 2900 km.

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