Question

What causes ash from a volcano?

Answer 1

Answer:

Volcanic ash is formed during explosive volcanic eruptions when dissolved gases in magma expand and escape violently into the atmosphere. ... Ash is also produced when magma comes into contact with water during phreatomagmatic eruptions, causing the water to explosively flash to steam leading to shattering of magma.

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Explanation:

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Answer 2

Answer:

Volcanic ash is formed during explosive volcanic eruptions when dissolved gases in magma expand and escape violently into the atmosphere.

Explanation:

Ash is also produced when magma comes into contact with water