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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
Give an example each of conical volcano and fissure volcano.
What is the following:
Spine or plug
What is the following:
Caldera
What is the following:
Mud volcanoes
Distinguish between the following pair of terms associated with vulcanicity:
Cinder Cone and Composite Cone
Answer the following:
Some volcanoes develop parasitic cones.
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.
What are tectonic movements? How are these classified?
Explain three major zones of volcanic activities in the world.
Choose the odd one
Vesuvius, Stromboli, St.Helena, Etna.
