![]() ![]() The pop will begin to fizz as carbon dioxide gas comes out of solution and forms bubbles. If you open the bottle, you decrease the pressure within it. ![]() As a result, a bottle of pop that you find on the supermarket shelf will have few to no bubbles. Pop is bottled under pressure, forcing carbon dioxide gas to dissolve into the fluid. ![]() This process is analogous to what happens when a pop bottle is opened. However, if the pressure decreases, the gas comes out of solution, forming bubbles. At high pressures, the gases are dissolved within magma. Volcanic eruptions produce three types of materials: gas, lava, and fragmented debris called tephra. 11.2 Materials Produced by Volcanic Eruptions ![]()
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