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प्रश्न
What do you understand by ‘Vulcanism’?
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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’.
संबंधित प्रश्न
Give an example each of conical volcano and fissure volcano.
What is‘magma’?
What is the following:
Fissure type of volcanoes
What is the following:
Caldera
Distinguish between the following pair of terms associated with vulcanicity:
Cinder Cone and Composite Cone
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.
______ belt is known as the “Ring of Fire”.
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.
How many major zones of volcanic activities in the world?
The upper part of the earth’s crust ______.
