Question

What is meat by sima and sial
Answer ---- sial the uppermost part of the lithosphere is composed of rock rich in silica and aluminium called sial
Sima below the sial layer, the rocks are mainly rich in silica and magnesium and are called sima

Answer 1

Answer:

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Explanation:

In geology, sima is the name for the lower layer of the Earth's crust. This layer is made of rocks rich in magnesium silicate minerals. ... ... Comparable is the name 'sial' which is the name for the upper layer of the Earth's continental crust

Answer 2

Answer:

Answer ---- sial the uppermost part of the lithosphere is composed of rock rich in silica and aluminium called sial

Answer ---- sial the uppermost part of the lithosphere is composed of rock rich in silica and aluminium called sial Sima below the sial layer, the rocks are mainly rich in silica and magnesium and are called sima