Question

Distinguish between the following SIAL and SIMA​

Answer 1

Answer:

Sial is composed of silicon and aluminium.It is upper layer which forms a discontinuous cover over the Earth's crust and is entirely absent the ocean floor. Sima is composed of silicon and magnesium. This is the second layer below sial which forms the ocean base. It is also called oceanic crust.

Answer 2

Answer:

SIAL

It is the upper layer of the earth.

it is made up of silica and aluminum.

SIMA

It is the lower layer of the earth.

It is made up of magnesium and silica.

Explanation:

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