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प्रश्न
Write note on the core of the earth?
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उत्तर
The innermost layer of the earth is called the core. It is also known as barysphere. It is separated from the mantle by a boundary called Weichart-Gutenberg discontinuity. The core is also divided into two parts.
- The outer core, which is rich in iron, is in liquid state.
- The inner core, composed of Nickel and Ferrous (Nife), is solid in state.
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संबंधित प्रश्न
Give geographical reason:
Earth is protected because of the magnetosphere.
Tell whether right or wrong. Correct the wrong statement.
The density of various materials is not the same in the interior of the earth.
Tell whether right or wrong. Correct the wrong statement.
The core of the earth’s interior is made up of hard rock.
What are the three layers of the earth?
Give reasons
We cannot go to the centre of the earth
Match the following
| 1. | Earthquake | Japanese term |
| 2. | Sima | Africa |
| 3. | Pacific Ring of Fire | Sudden movement |
| 4. | Tsunami | Silica and magnesium |
| 5. | Mt. Kenya | World volcanoes |
What is mantle?
Distinguish between SIAL and SIMA.
Match the following:
| 1. | Mantle | a. | Lighthouse of mediterranean sea |
| 2. | Stromboli | b. | blue planet |
| 3. | The cone | c. | Japanese term |
| 4. | Earth | d. | Weichart countenberg discount |
| 5. | Tsunami | e. | Mohorocvicic discontinuity |
Give geographical reason:
There is variety in the interior of the earth.
