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प्रश्न
Describe any three advantages of volcanoes.
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उत्तर
- Many minerals from the interior of the Earth come on to the surface.
- Fertile soils like Black soil are made by breaking up of lava.
- Electricity is generated from gases emitted out during volcanic eruptions.
संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
Give one example of volcanic mountains.
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
What are known as Shield volcanoes?
How are hot springs formed?
Fill in the blank below:
A lava ___________is made up of basic lava flows solidified away from the vent.
Explain the various parts of a volcano.
Which volcano is known as the ‘lighthouse of the Mediterranean?
Name the three belts where volcanoes are found.
In which belt most of the volcanoes of the world are found?
Distinguish between :
Seismology and Volcanology.
Distinguish between :
Volcanic Dust and Volcanic Ash.
What is a geyser?
Give two of its main characteristics of Geysers
State two ways in which lava may come out of the earth’s crust giving an example of each type of these volcanic activities.
What is the following:
‘Ring of Fire’
Give reasons for the following:
Basic lava cones are broader than Acid lava cones.
Answer the following:
Plate margins are zones of great volcanic activity.
Give one word for the following :
The lava which is poor in silica and rich in iron and magnesium.
______ Volcano is known as light house of Mediterranean Sea.
An example for active volcano is ______.
Give an example of extinct volcano.
Distinguish between Active volcano and dormant volcano
Describe the classification of volcanoes based on the eruptions.
How many active volcanoes in the world?
Iceland, the most active volcanic area is located on the ______.
