Question

What is sima?
What is sial?

Answer 1

Sima is the Earth's crust lower layer and contains silicon and magnesium

Sial makes up majority of the continental crust and contains silicon and aluminum

Answer 2

ANSWER

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What is sima ?

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Sima the lower continuous layer (termed Sima, because of it's richness in Silica and Magnesium ) has an average density and composition similar to that of the common black volcanic lava called Basalt.

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What is Sial ?

Sial consist of solid or Continental parts of the earth's crust they are composed of many kinds of rocks which have the density and composition of granite.

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#answerwithquality

#BAL

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