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प्रश्न
Mention the layers of the interior of the Earth.
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उत्तर
The structure of the earth’s interior is divided into three layers namely the crust, the mantle, the core.
- Crust is the outer layer of the earth, where we live. The major elements of crust are silica (Si) and aluminium (Al). Hence it is named as SIAL.
- Mantle is the intereior part beneath the crust. The major elements of the mantle are silica (Si) and magnesium (Mg). Hence it is called SIMA.
- The core is the innermost and hottest layer of the earth. It is composed mainly of nickel (Ni) and iron (Fe). Hence it is called NIFE.
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संबंधित प्रश्न
Why is the earth’s interior in most part found in a solid state despite great heat and pressure?
How do the study of meteorites helps scientists to know about the interior of the earth?
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Temperature starts rising gradually towards the interior of the earth.
Give a geographical reason for the following:
The asthenosphere is in a semi-molten state.
Study the figure on the side and answer the question
What is known as Sial? How deep is the area marked by Sial?
Study the figure on the side and answer the question
What happens to the continents if there is an earthquake?
“The whole of the approaching ship is not visible at one time.” Why?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
Magma is found in the ______.
Give reason for the following:
Generation of the Earth’s Magnetic field.
