Question

Causes of volcanic eruptions

Answer 1

Answer:

Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber.

Explanation:

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Answer 2

Answer:

The main causes of volcanic eruptions are:-

• heat and pressure inside the Earth
• plate tectonics
• Magma chambers

Explanation:

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