One of the primary uses for a 500-mb map is: to monitor the position of the polar jet stream. to predict surface wind speeds. to estimate surface air temperature. to determine the speed and direction of motion for a mid-latitude cyclone.

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

Which is the largest ethnic group in guinea? malinkéfula (correct)kissisoussouand another question. guinea has always had a stable government led by elected presidents.truefalse (correct)

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast