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प्रश्न
What is the following:
‘Ring of Fire’
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उत्तर
‘Ring of Fire’ - It is the belt around the pacific ocean where due to the weak crust 75% of active volcanoes exist forming a huge ‘ring of fire’ phenomenon.
संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
What is a volcano?
Give one example of an active volcano.
What is the difference between a dormant volcano and an extinct volcano?
Name the three types of volcanoes on the basis of the frequency of their eruption.
What are known as Shield volcanoes?
Match the Following:
| Column A | Column B |
| 1. Vent | (a) An active volcano |
| 2. Extinct | (b) Hot water fountain |
| 3. Geyser | (c) Dead Volcano |
| 4. Mt. Stromboli | (d) An opening in the earth's crust through which lava flows. |
| 5. Cinder Cone | (e) A volcanic landform. |
The forces arising from the interior of the earth:
Name the largest active volcano in the world.
Which volcano is known as the ‘lighthouse of the Mediterranean?
In which belt most of the volcanoes of the world are found?
Distinguish between :
Seismology and Volcanology.
Describe the materials thrown out during volcanic eruption.
What is a geyser?
Give reasons for the following:
Basic lava cones are broader than Acid lava cones.
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
Give one word for the following :
The lava which is poor in silica and rich in iron and magnesium.
Give one word for the following :
A volcano which has the possibility of erupting in future.
Give one word for the following :
A volcano where magma reaches the surface through a vent or a pipe..
Which four of the following words are connected with volcanic activity:
Karst, crater, drumlin, stalactite, gully, potholesl, ash, basalt, swallow, holes, dyke, domes, bluffs.
What is the following :
Fissure type of volcanoes
Distinguish between Active volcano and dormant volcano
Describe the classification of volcanoes based on the eruptions.
How many active volcanoes in the world?
Choose the odd one.
Stromboli, Helens, Hawaii, Fujiyama
