Show how the continents attract seas sea the effect of gravitation in heaping up the sea waters upon the shores of continents is one of the most interesting as well as the most curious and least considered si facts in connection with old oceans history thus the continents are all situated at tops of great hills or mountains of water and to cross the atlantic or any other ocean the ship has to first gol go down the sloping sheet cross croas the valley and then climb the mountain of water on the other side before it safely reaches a harbor in this connection the interesting calculation cu lation has been made that in mid ocean on the atlantic the depression is is about three f fourths of a mile below the level of the water at coast line while a is hip in traveling from san francisco to yokohama japan must cross a valley at least a mile in depth st louis republic |