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प्रश्न
Distinguish between the following pairs of terms associated with vulcanicity:
Magma and Lava
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उत्तर
Magma and Lava :
Magma :
- Magma is hot sticky molten material.
- It contains solutions to water and gases.
- It comes out during volcanic eruptions.
Lava :
- Lava is solidified magma.
- Gases and water disappear after evaporataion.
- It cools down as it comes into contact with the atmosphere.
संबंधित प्रश्न
What do you understand by ‘Vulcanism’?
What do you understand by ‘Crater of the Volcano’?
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:
Tilted Block mountains and Lifted Block mountains
Answer the following:
Hot springs are common in volcanic regions.
Give reasons for the following:
Earth’s movements have modified the Earth’s surface.
Give reasons for the following:
Earth as a whole does not expand.
Name one useful feature of vulcanicity other than soil fertility.
Give one word for the following :
The region where there are highest number of geysers and hot springs.
______ belt is known as the “Ring of Fire”.
