the ocean floors are continually moving,spreading from the center, sinking at the edges,and being generated. convection currents beneath the plates move the crustal plates in different directions. the sources of the heat driving the convection currents is radioactivity deep in the earths manttle
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Answer:
the ocean floors are continually moving,spreading from the center, sinking at the edges,and being generated. convection currents beneath the plates move the crustal plates in different directions. the sources of the heat driving the convection currents is radioactivity deep in the earths manttle