How does the release of trapped gases in magma cause a volcano errupt

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asked Jan 26, 2018 161k views

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Zpon · Answer 1 · 2018-01-31T14:19:01+0000

When the magma go's toward the surface the pressure of the rock on the magma decreases. Dissolved gases begin to expand into bubbles. When pressure falls the bubble get bigger.

How does the release of trapped gases in magma cause a volcano errupt

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