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.
J.T Wilson was the one who came up with the theory of plate tectonics. Harry Hess came up with the theory of Sea-floor spreading Alfred Wegner came up with the theory of Câ¦ontinental Drift and Arthur Holmes proposed a suitable mechanism for this to occur (mantle convection).