Which of the Following Energy Sources Is Thought to Directly

question 97

Multiple Choice

Which of the following energy sources is thought to directly drive the lateral motions of Earth's lithospheric plates?

• A)tidal gravitational attractive forces of the Sun and Moon
• B)electric and magnetic fields generated in and radiating from the inner core
• C)export of heat from deep in the mantle to the top of the asthenosphere and descending cold material in a solid state convective flow
• D)rotational spinning of the Earth, with the plates dragging behind

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