Question

what is Sima and sial​

Answer 1

Answer:

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. While Sial makes up a majority of the continental crust, the oceanic crust is primarily composed of Sima.

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Answer 2

ANSWER:

Continental crust is also known as SIAL

Oceanic crust also known as SIMA

EXPLANATION:

As Silica and Alumina are the chief contents, the Continental crust is also known as SIAL

( SI from silica and a AL from aluminia=SIAL)

As Silica and magnesium are the chief contents, the Oceanic crust is also known as SIMA

(SI from silica and MA from magnesium=SIMA)

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