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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 is‘magma’?
What is the following:
Spine or plug
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 pair of terms associated with vulcanicity:
Laccolith and Lapolith
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:
Hot springs are common in volcanic regions.
Give reasons for the following:
Earth as a whole does not expand.
