What is a vast semiarid plain?

Where did little Miami river start? Why is life abundant in the surface zone but scarce in the deep zone of the ocean? How was lake Chad named? What are the curative powers of the water of the Dead Sea? A is an area of land where a river enters a lake of sea? What is a large swell in the ocean called? Where is the Lake Co Pl in Leadville located? What restrictions are placed on national historic homes? How do the beach impact people? What is coldest temperature mount everest has ever got two? How many times does it rain per year in the great barrier reef? What does a map of the rock of Gibraltar look like? Was there any major damage of mount fujis last eruption? What ocean is 5 degrees south and 75 degrees east? What are the historical landmarks of the coastal plain? What did santa Barbara misson use to hunt with? What do pet Parana eat? What is a Fosse on a Motte and Bailey castle? What culture built machu Pichu? Was the Grand Canyon caused by erosion from the receding waters of Noah's deluge?