Social Sciences, asked by manpreetarora, 5 months ago

why the sial layer is known by this name?

Answers

Answered by SushavanNaskar

Explanation:

it is made of silicon and aluminum

Answered by Anonymous

Because the ocean floors are mainlysima, it is also sometimes called the 'oceanic crust'. The name 'sima' was taken from the first two letters of silica and of magnesia. Comparable is thename 'sial' which is the name for the upper layer of the Earth's continental crust.

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