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प्रश्न
What do you understand by ‘Vulcanism’?
उत्तर
The interior part of the earth is extremely hot temperatures up to 2000°C. in which every matter converts into a molten form. This molten material ‘magma’ always tries to burst out wherever it finds any crack or hole in the crust. The process of erupting out of magma is known as ‘vulcanism’.
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संबंधित प्रश्न
What is the following:
Spine or plug
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 pair of terms associated with vulcanicity:
Crater and Caldera
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Graben and Horst
Answer the following:
Some volcanoes develop parasitic cones.
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
Name one useful feature of vulcanicity other than soil fertility.
What are tectonic movements? How are these classified?
How the theory of plate tectonics has explained the formation of mountains like Himalaya or Alps and of the volcanic islands.
