The ethnic makeup of the andes and the pampas a. has little diversity. b. is relatively wealthy and advanced technologically. c. is almost entirely descended from spanish conquistadors. d. is greatly influenced by the geography of the region.

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

What role did the waterways of europe play in development of europe's economy

Which type of seismic waves are confined at the surface