Geography of Greece. It is a peninsular and mountainous country located in Southern-Eastern Europe, in the Balkans peninsula. The country has the largest coastline in Europe (13,676km) due to its numerous islands. Greece has a total of 2,000 Greek islands but only 168 are inhabited.
Harry Hess created the theory of plate tectonics moving along the ocean's floor.
His most influencial theory was his model of the change process in human systems. Kurt Lewin theorized a three-stage model of change that is known as the unfreezing-change-refreeze model that requires prior learning to be rejected and replaced.