Without Convection, There Would Be No Volcanoes on Earth Because

question 33

Multiple Choice

Without convection, there would be no volcanoes on Earth because

• A) all the convecting material spurts out at the surface.
• B) rising mantle material undergoes decompression melting.
• C) molten outer-core melts the lower continental crust.
• D) volcanoes sink down into Earth near down-going convention cells.

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Definitions:

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