write a short note on the valcanoes.also draw a diagram
Answers
Answer:
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Magma - Molten rock beneath Earth's surface. Parasitic Cone - A small cone-shaped volcano formed by an accumulation of volcanic debris.
Explanation:
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Answer:
A volcano is an opening in the surface of the Earth from which hot magma flows out. The following are the structural features of a volcano:
Vent: It is an opening from which hot magma flow out to the surface of the Earth. It is a circular pipe like structure.
Crater: It is a bowl shaped like opening or a mouth of a volcano.
Magma chamber: It is here that the hot magma is stored beneath a volcano.
Magma: It is the hot molten fluid, which comes out to the surface during a volcanic eruption.
Lava: When molten magma reaches the surface of the Earth, it is known as lava.
Explanation:
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