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mostly water vapor,and some carbon dioxide.minor Sulfur,Chlorine, and Fluorine gases

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17y ago

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When magma reaches the surface what happens to the gases?

When magma reaches the surface, the gases dissolved in the magma are released due to the decrease in pressure. This release of gases can lead to explosive volcanic eruptions as the gases expand rapidly and forcefully.


What are in active volcanoes?

gases,pressure,magma


What does magma release when rock melts into it?

gases


WHEN MAGMA reachesthe surfacegases out of it?

Yes, gases do come out and then the magma under the Earth's crust.


What dissolves under pressure are trapped in magma underground?

Gases, such as water vapor and carbon dioxide, dissolve in magma when it is under pressure deep underground. As the magma rises to the surface and pressure decreases, these gases can come out of solution, leading to volcanic eruptions.


When rock melts into magma it releases?

When rock melts into magma, it releases volatile gases trapped within the rock. These gases can include water vapor, carbon dioxide, and sulfur dioxide. The release of gases contributes to volcanic eruptions and helps drive the movement of magma within the Earth's crust.


What is the relationship between the amount of gases in magma and the explosiveness a volcanic eruption?

The more gases, water vapor and silica there is in magma the bigger the explosiveness of a volcanic eruption.


What causes the gases in magma to expand?

When magma is underground it is under enormous pressure, which causes the gasses to dissolve in the magma. As the magma rises pressure decreases and the gasses come out of solution. All gasses expand when decompressed.


Do gases escape from a low silica magma easier than it does a high silica magma?

yes


What are the kinds of molten material?

Lava and Magma


Gases that are trapped build up pressure in magma and can cause what?

The build-up of pressure from trapped gases in magma can cause explosive volcanic eruptions. The sudden release of this pressure propels magma, ash, and gases violently out of the volcano, leading to potentially devastating and widespread destruction.


Why is magma that contains little silica less to erupt explosively?

Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.