What is a vast semiarid plain?

How much rainfall is experienced in regions of thorn and scrub forests? What type of oppression does the broken chains signify? What countries does the orange river flow through? What is an area of land surrounded by water? Which lake is located at 12N 86W? Is Stonehenge in Cornwall? When was Little Matlock Rolling Mill created? Is there electric fog in the Bermuda triangle? Are thorpe park rides open in wind? Meaning of non-restricted area in aviation? How much does the Nile River flood a year? What colours match orange? Where is all the locations of ponds and lakes? What was acropolis building that actually was finished? What is the depth of the golden gate bridge? What is a sea stump? Where is the river yellow source? How much would it hurt to fall off the empire state building? Which Continents lie mainly in the Eastern Hemisphere? How many whales are left in the world?