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प्रश्न
Give two reasons why tremors occur inside the earth?
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उत्तर
- Movements of the earth’s crust along lines of weakness produces great tremors.
- During volcanic activity movement of lava beneath the crust also causes tremors inside the earth.
संबंधित प्रश्न
In which part of the earth is NIFE found?
What is composed of NIFE?
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.
There are two transitional zones between the two consecutive layers of the interior of the earth. Name them and state their chief characteristics.
Study the figure on the side and answer the question
What is known as Sial? How deep is the area marked by Sial?
Which are the two most abundant chemical elements in the Earth’s crust?
Where is Mantle located in the Earth?
What is SIAL?
Give reason for the following:
Generation of the Earth’s Magnetic field.
