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What's the force that causes lava to erupt?

User Pbojinov
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2 Answers

5 votes
it would maybe be volcanic acid
User Sarreph
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3 most predominate reasons are....

The buoyancy of the magma

The pressure from the exsolved gasses in the magma

The injection of a new batch of magma into an already filled magma chamber

User Gwaredd
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