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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‘magma’?
Answer the following:
Some volcanoes develop parasitic cones.
Answer the following:
Hot springs are common in volcanic regions.
Out of the following words write down the four that are connected with volcanic activity.
Karst, crater, drumlin, stalactites, gully, pot holes, ash, basalt, swallow holes, dyke, domes, bluffs.
Distinguish between the following pairs of terms associated with vulcanicity:
Magma and Lava
How the theory of plate tectonics has explained the formation of mountains like Himalaya or Alps and of the volcanic islands.
The upper part of the earth’s crust ______.
Explain three major zones of volcanic activities in the world.
