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What are the steps in a volcano's eruption?

Answer

A volcano erupts through a series of steps; first it forms the magma from molten rock, which is then pushed up the vents. Then it turns to lava while it ascends in the vents and eventually spills over at a high pressure releasing ash, rocks and a cloud of thick dust.
Q&A Related to "What are the steps in a volcano's eruption?"
a volcano erupt because it needs oxygen so it gets out.
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Pressure and high temperatures beneath the earth's crust causes rocks to melt down. Melted rock turns into a liquid form known as magma, and this magma is constantly trying to force
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Read This- http://library.thinkquest.org/J0112524/h…. PLEASE ANSWER: http://answers.yahoo.com/question/index?….
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Volcanoes erupt because of the pressure and high temperatures under the earth's crust. This
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