What do you call Experts on sea currents?

How has the Great Lakes region impacted the identity of Canada? Who bought klamath lake? Which four rivers on the map join with the Mississippi River? How far apart were the watch towers on the great wall of china? Where is whipsnade zoo? Why is sean bell important? Did the Egyptians build the sphinx with a nose? Who invented the wind tunnel? Where is Queen Cleopatra's temple located? Some Famous sites in Australia? Does lil wayne aka weezy have a star on the hollywood walk of fame? Is the nile river valley in the same location of the nile river? How many Tropical Rain forests are in Minnesota? What type of boundary did the Mariana Trench form long? What are characteristics of a universal theme? How cold is the Mojave desert at night? Is the Kamchatka Peninsula located in the west and does it extend into the Baltic sea? Why do trees that are cut down can longer photosynthesize? How did the sea and sea travel affect the development of the greek civilization? Who is mayor of Tomorrowland in Disneyland?