At What Depth Do Gas Bubbles Have the Most Effect

question 10

Multiple Choice

At what depth do gas bubbles have the most effect on magma?

• A)when the magma first forms, before the bubbles can dissolve into the magma
• B)at moderate depths, when the magma is moving rapidly through the conduit
• C)at very shallow levels, such as within the volcano
• D)None of these.

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