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प्रश्न
Study the figure on the side and answer the question
What is known as Sial? How deep is the area marked by Sial?
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उत्तर
Sial is the upper layer or crust of the earth. The name Sial is based on the excess of Silica and Aluminium. The depth of Sial is 60 km.
संबंधित प्रश्न
In which part of the earth is NIFE found?
Name the three layers of the earth’s interior.
Give a geographical reason for the following:
The asthenosphere is in a semi-molten state.
The continents are placed above the oceans.
Explain the layers of the interior of the earth with reference to the following :
(a) Depth,
(b) Temperature
(c) Density.
Study the figure on the side and answer the question
What role does Sima play?
Give two reasons why tremors occur inside the earth?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
______ layer is made up of liquid iron.
______ is a vent (or) and opening on the surface of the Earth crust.
