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प्रश्न
How are volcanoes classified based on the periodicity of their eruptions?
संक्षेप में उत्तर
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उत्तर
Based on the periodicity of eruptions, volcanoes are classified into
- Active Volcano:
Active volcanoes are those which constantly eject volcanic lava, gases and fragmented materials Eg: Mount St. Helens in the United States.
- Dormant Volcano:
- Volcanoes that do not show any sign of volcanic activity for a long period of time are known as dormant volcanoes.
- Sometimes there may be a sudden explosion which may cause unimaginable loss to life and property.
- Eg: Mt. Fuji, Japan
- Extinct or Dead Volcano:
When a volcano permanently stops its volcanic activity, then it is called an extinct or dead volcano. Eg: Mt. Kilimanjaro, Tanzania.
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संबंधित प्रश्न
Match the following
| 1. Endogenetic process | Seismograph |
| 2. Mantle | Subduction Zone |
| 3. Convergent boundaries | Volcanic |
| 4. Earthquake | Pacific Ocean |
| 5. Composite volcano | SIMA |
- Mt. Fuji is a dormant volcano.
- Mt. Kilimanjaro is a dormant volcano.
- Mt. Tanzania is a dormant volcano.
Which of the statement(s) is/are true?
Distinguish between Epicentre and Hypocentre.
Distinguish between Divergent and convergent boundaries.
In ______ boundary, the plates slide horizontally past each other.
An opening serving as an outlet for air, smoke, fumes, magma, etc. is called ______.
The upper layer of the earth’s mantle below the lithosphere is called ______.
Explain the major components of a volcano.
Give reason for the following:
Formation of the Tibetan Plateau.
Explain the term
Volcanism
