Question

what is volcano? tell me​

Answer 1

A volcano is rupture in the crust of planetary mass object . That allow hot lava, volcanic ash to escape magma chamber below the earth surface

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Answer 2

Answer:

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A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape. Volcanic eruptions are partly driven by pressure from dissolved gas, much as escaping gases force the cork out of a bottle of champagne. Beneath a volcano, liquid magma containing dissolved gases rises through cracks in the Earth’s crust. As the magma rises, pressure decreases, allowing the gases to form bubbles. How the magma (lava) behaves when it reaches the surface depends on both its gas content and chemical composition.

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