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प्रश्न
Distinguish between the following pair of terms associated with vulcanicity:
Lava and Magma
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उत्तर
| Lava | Magma |
| Lava is the black liquid part of the volcanic eruption. | Magma includes all the material coming out of a volcano e.g. lava, stones, cinders, ash, smoke, steam, etc. |
संबंधित प्रश्न
What is the magma chamber of a volcano?
How are volcanoes formed?
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
Match the items given in Column A with the correct ones in Column B.
| Column A | Column B |
| 1. A Rift valley lake | (a) Deccan Trap region of India |
| 2. A horst | (b) Fujiyama |
| 3. A basic lava sheet | (c) Tanganyika |
| 4. Composite cones | (d) Black forest plateau |
| 5. An active volcano | (e) Corndon Hill |
| 6. A Batholith | (f) The Alps |
| 7. A Phaccolith | (g) Upland of Britain is France |
| 8. A young Fold mountain | (h) Stromboli |
Answer the following:
Some volcanoes erupt explosively.
Answer the following:
Hot springs are common in volcanic regions.
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
Give reasons for the following:
Earth as a whole does not expand.
Name one useful feature of vulcanicity other than soil fertility.
