Convection Cells or Currents

Convection cells or currents

A) move large volumes of rock and heat within the earth's mantle like giant conveyer belts
B) occur during tsunamis and create an effect of amplifying the waves that repetitively strike a shoreline
C) operate in the ocean and in the atmosphere, but not in any part of the lithosphere
D) are part of the process of earth movement during earthquakes
E) are a feature of the mantle that geologists are just beginning to recognize, but as yet do not understand