Ocean
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...seas, such as the Sargasso Sea of the North Atlantic...to the 1,500-km-wide (930-mi) Siberian...hundreds of kilometers wide, and extend 3 to...35,798 ft) below sea level. The deep...48 km (23 30 mi) wide and about 1.6 km...in the Norwegian Sea. Antarctic bottom...