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Biology 21 Online
OpenStudy (anonymous):

Which causes seismic waves? A. movements of the plates B. convection in the mantle C. gravity in the mantle D. movements of the core

OpenStudy (anonymous):

Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion.

OpenStudy (anonymous):

A- movement of plates

OpenStudy (anonymous):

thx ;)

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