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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:
Cinder Cone
Distinguish between the following pair of terms associated with vulcanicity:
Lava and Magma
Distinguish between the following pair of terms associated with vulcanicity:
Fissure-type Volcanoes and Central-types Volcanoes
Distinguish between the following pair of terms associated with vulcanicity:
Geysers and Hot Springs
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Graben and Horst
Answer the following:
Some volcanoes erupt explosively.
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
Give reasons for the following:
Earth as a whole does not expand.
What are tectonic movements? How are these classified?
Assertion (A): The Pacific Ocean includes two thirds of the world’s volcanoes.
Reason (R): The boundary along the Eastern and Western coast areas of the Pacific Ocean is known as the Pacific Ring of Fire.
