Question

Distinguish between sial and sima​

Answer 1

Answer:

Explanation:

Sial refers to the earth's crusts upper layer, it is made up of rocks abundant in silicate and aluminium based minerals. ... Sima is the earth's crusts lower layer and contains rocks with an abundance of magnesium silicate minerals, the word Sima is an amalgam of the first two letters of Magnesium and Silica.

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Answer 2

Answer:

Explanation:

the main elements that make up the continental crust are silica and alumina and it is thus called sisal.

the main elements that make up the oceanic crust are silica and magnesium and it is thus called sima.

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