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.
Alfred Wegener (1880 - 1930). Alfred Wegener proposed the theory of continental drift at the beginning of the 20th century. His idea was that the Earth's continents were once joined together, but gradually moved apart over millions of years.efore Wegener developed his theory, it was thought that mountains formed because the Earth was cooling down, and in doing so contracted.