CONVECTION CURRENTS
Deep within the earth ,at its inner core temperature may exceed 4,500 degree celcius . This heat warms rocks in the mesosphere which rise through the partially molten mantle ,displacing cooler rocks just below the solid crust ,which sinks , and are warmed again by heat of the mantle . This process is continuous , creating convection currents which form the moving force beneath the earth crust.
No comments:
Post a Comment