Social Sciences, asked by Aadyaking, 1 year ago

what is a sial and sima ​

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Answered by shanu2002
16
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Answered by gowrimahapatro105200
9

Sial is made up of silica and aluminium and it is the surface and it contains basalt and it is also known as basalt layer . Sima is made up of rocks and silica and magnesium minerals and it is the lower layer of the Earth's crust

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