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What is the origin of valcano?

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13y ago

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Tectonic plates that make up the Earth's surface push together, forming a mountain. Magma that presides under the surface gradually eats a hole in the mountain, until it is a volcano. A volcano erupts when the pressure of the magma is too great, and the top explodes off the volcano.

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13y ago
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Q: What is the origin of valcano?
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