The Main Idea of Seafloor Spreading Is That

question 35

Multiple Choice

The main idea of seafloor spreading is that

• A)lithosphere floats on the asthenosphere.
• B)new crust forms at a spreading center and old crust is recycled at a subduction zone.
• C)new crust is magnetized according to the existing magnetic field.
• D)the seafloor never stops growing.

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