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प्रश्न
What is‘magma’?
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उत्तर
‘Magma’ is the one word of several matters erupting out of a volcano e.g. lava, steam, cinderellas, stones, cinder, smoke, etc.
संबंधित प्रश्न
Give an example each of conical volcano and fissure volcano.
What is the following:
Spine or plug
Distinguish between the following pair of terms associated with vulcanicity:
Fissure-type Volcanoes and Central-types Volcanoes
Answer the following:
Some volcanoes erupt explosively.
Answer the following:
Some volcanoes develop parasitic cones.
Answer the following:
Hot springs are common in volcanic regions.
Give reasons for the following:
Earth as a whole does not expand.
Distinguish between the following pairs of terms associated with vulcanicity:
Magma and Lava
Assertion (A): The Pacific Ocean includes two thirds of the world’s volcanoes.
Reason (R): The boundary along the Eastern and Western coast areas of the Pacific Ocean is known as the Pacific Ring of Fire.
How many major zones of volcanic activities in the world?
