Question

DIFFERENCE BETWEEN SIAL AND SIMA ​

Answer 1

Answer:

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.

Answer 2

Answer:

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Explanation:

As continental crust is rich in silica and aluminum, it is referred to as sial. Oceanic crust is generally basaltic and is composed of rocks rich in silica and magnesium. As oceanic crust is rich in silica and magnesium, it is referred to as sima.