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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?
Describe the mantle.
Write one difference between Moho Discontinuity and Gutenberg Discontinuity.
Why is the earth’s interior in most part found in a solid state despite great heat and pressure?
Give a geographical reason for the following:
The asthenosphere is in a semi-molten state.
Look at the figure on the side and answer the question:
Which part of the earth is suitable for human habitation? Why?
Which layer is responsible for earth’s magnetic field? Why?
Which are the two most abundant chemical elements in the Earth’s crust?
Why is the Earth slightly flattened at the poles?
What is SIMA?
