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प्रश्न
Why is the Earth slightly flattened at the poles?
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उत्तर
The Earth is not a perfect sphere. It is slightly flattened at both the poles. It is due to the centripetal force produced by the rotation of the Earth.
संबंधित प्रश्न
Name the sources of information about forces operating inside the earth.
What are the consequences of the pressure and temperature in the interior of the earth?
Describe the mantle.
Describe the layers of the interior of the earth and their chemical composition.
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?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
______ layer is made up of liquid iron.
The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.
Match the following:
| (a) | Crust | (i) | 2,171 km |
| (b) | Upper Mantle | (ii) | 2,259 km |
| (c) | Lower Mantle | (iii) | 30 km |
| (d) | Outer Core | (iv) | 1221km |
| (e) | Inner Core | (v) | 720 km |
