How Is Magma Generated Along Subduction Zones

question 69

Multiple Choice

How is magma generated along subduction zones?

• A)Decompression melting of the mantle from weight reduction.
• B)Fluids are dehydrated out of the descending plate, which lowers the melting point of the surrounding mantle.
• C)Friction from colliding plates melts mantle material.
• D)Radioactive decay melts mantle material.

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