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magma rises up out of a volcano by the build up of pressure

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16y ago

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Why does magma in a volcano rise up to Earth's surface?

Magma rises because it is less dense than the rock around it.


What causes magma beneath the volcano to rise to the surface?

Increasing pressure pushes the magma upwards. This rising pressure can be caused by many different things.


Will the sea drain away in an underwater volcanic eruption?

No, because as the magma rises from underwater volcanoes it heats the water causing it to rise. The magma then solidifies. Therefore when the volcano is active it is always heating the water around it. When the magma stops flowing then the volcano will solidify.


Is lava magma?

yes. magma is the lava that is in the volcano and lava is the magma that is outside a volcano


What causes the magma inside a volcano to rise to award the surface?

The molten magma increases in pressure (like a pressure cooker at home) until it is forced towards the surface.


Where is the magma in a volcano?

In a magma chamber


What is magma calle when it comes out of a volcano?

When magma comes out of a volcano, it is called Lava.


How are volcanic cones made?

Magma Chambers allow the oceanic plate to rise in the form of of a volcano with no testicles 8===D


Is it true or false the pipe of a volcano is a horizontal crack in the crust?

False. A pipe of a volcano is a vertical conduit that allows magma to rise from depth to the surface. It is typically a narrow, tube-like structure that connects the magma chamber to the surface vent of the volcano.


The opening in Earth's crust through which magma rises to the surface is known as the?

The opening in the earth crust which magma rise to the surface are Volcanoes


Where on magma is the mage on HorseIsle?

mage=volcano on magma keep going around volcano


Is lava in the magma?

Lava is when it's outside the volcano, magma is when it's inside of the volcano.