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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
Name the three layers of the earth’s interior.
Why is the earth’s interior in most part found in a solid state despite great heat and pressure?
Look at the figure on the side and answer the question:
Which part of the earth is suitable for human habitation? Why?
Study the figure on the side and answer the question
What happens to the continents if there is an earthquake?
Give two reasons why tremors occur inside the earth?
______ is the rigid outer layer of the Earth.
Consider the given statement:
- The thickness of the crust is greater below the continents than the ocean’s floor.
- All terrestrial planets have a lithosphere.
- The core is composed of Silica and Aluminium.
Which of the statement (s) is/are true?
Give reason for the following:
The cause of the functioning of the magnetic compass
______ is a vent (or) and opening on the surface of the Earth crust.
Seismology deals with ______.
