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Magma sometimes flows toward the surface as a result of convection currents in the magma, that is to say, the hotter magma rises within cooler magma. Because it is so hot, the rising magma simply melts away anything in its path, so nothing can prevent it from reaching the surface.

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Q: How does magma reaches the surfaces?
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What is the name when magma reaches the surface?

When magma reaches the surface, it is called lava.


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