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प्रश्न
Define plate tectonics.
Define the term tectonic plates.
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उत्तर १
The lithosphere is divided into a number of huge slabs of rocks called ‘Tectonic Plates’. These tectonic plates are divided into major and micro plates. These plates float independently over the mantle.
उत्तर २
The term tectonic plates is defined as massive, irregularly shaped slabs of solid rock, generally composed of both continental and oceanic lithosphere. These plates make up the earth’s crust and are constantly moving because they rest on the molten magma beneath them.
संबंधित प्रश्न
What is an Earthquake and how it occurs?
What are seismic waves?
Write about the Pacific Ring of fire.
Explain the effects of Volcanoes.
An opening serving as an outlet for air, smoke, fumes, magma, etc. is called ______.
Match the following:
| (a) | Active Volcano | (i) | Mt. Kilimanjaro |
| (b) | Dormant Volcano | (ii) | Strata Volcano |
| (c) | Extinct Volcano | (iii) | Mt. St. Helens |
| (d) | Composite Volcano | (iv) | Mt. Fuji |
| (e) | Shield Volcano | (v) | Mauma loa |
Give reason for the following:
A lava dome does not flow from into the vent.
What is Tsunami Warning System (TWS)?
What do you know about the Active Volcano?
Distinguish between:
Atmosphere and Biosphere.
