what is volcano answer in brief
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Explanation:
- A volcano is an opening in the earth's crust through which lava, volcanic ash, and gases escape. ... 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.
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Answer:
A volcano is an opening on the surface of a planet or moon that allows materials warmer than its surrounding to escape from the interior.
When those warmer materials escapes it causes volcanic eruption.
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