1 A) early 1950s B) 1500s C) late 1800s D) early 1800s 2 A) Seas are deeper and in lower latitudes. B) Seas support a wider variety of marine life. C) seas are larger. D) Seas are smaller and mostly landlocked. 3 A) North Atlantic deep water B) Antarctic intermediate water C) Antarctic bottom water D) Gulf Stream 4 A) evaporation B) density differences C) polar ice caps D) currents 5 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078746361/561661/an.GIF','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>]]> A) potassium bromide B) sodium chloride C) sodium sulfate D) magnesium chloride 6 A) Cl B) Na C) K D) Ni 7 A) 37 percent B) 37 ppt C) 30 ppt D) 35 ppt 8 A) the formation of cold water coming from Antarctica B) a layer of cold water in the ocean C) a transitional layer in the ocean where temperature decreases rapidly with depth D) a change in salinity with depth 9 A) full tides B) spring tides C) neap tides D) tidal ranges 10 A) the varying depths of the oceans B) water temperature and salinity C) the movement of tectonic plates on the seafloor D) the rotation of Earth 11 A) to the left in the northern hemisphere and to the right in the southern hemisphere B) to the right in the northern hemisphere and to the left in the southern hemisphere C) to the left in both the northern and southern hemispheres D) to the right in both the northern and southern hemispheres 12 A) at los latitudes B) at the poles C) at high latitudes D) at temperate latitudes 13 A) differences in thermal energy B) differences in amounts of sunlight C) differences in prevailing winds D) differences in water density 14 A) right above the surface B) just below the ocean surface C) between the surface and seafloor D) at the bottom, where water is in contact wit the seafloor 15 A) 10 ppt B) 35 ppt C) 50 ppt D) 200 ppt
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