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प्रश्न
How are volcanoes formed?
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उत्तर
Volcanoes are formed by the eruption of magma from the interior and deposited on the land surface and after cooling down take the shape of volcanoes.
संबंधित प्रश्न
Give an example each of conical volcano and fissure volcano.
What are ‘Volcanoes’?
What is the following:
Caldera
Distinguish between the following pair of terms associated with vulcanicity:
Acidic Lava and Basic Lava
Distinguish between the following pair of terms associated with vulcanicity:
Cinder Cone and Composite Cone
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Graben and Horst
Match the items given in Column A with the correct ones in Column B.
| Column A | Column B |
| 1. A Rift valley lake | (a) Deccan Trap region of India |
| 2. A horst | (b) Fujiyama |
| 3. A basic lava sheet | (c) Tanganyika |
| 4. Composite cones | (d) Black forest plateau |
| 5. An active volcano | (e) Corndon Hill |
| 6. A Batholith | (f) The Alps |
| 7. A Phaccolith | (g) Upland of Britain is France |
| 8. A young Fold mountain | (h) Stromboli |
Answer the following:
Hot springs are common in volcanic regions.
Answer the following:
Earthquakes are common in the belt of young fold mountains.
Choose the odd one
Vesuvius, Stromboli, St.Helena, Etna.
