The Sargasso Sea is named for sargassum, a genus of brown what that floats in its waters?

Which queen reigned in Castile from 1474 until her death in 1504 and sponsored Columbus's first voyage? The Rhodope Mountains and the city of Sofia are in which country? What is the term for a government's power to take private property for public use, with fair compensation? The robber crab, the largest land-living arthropod, is known for climbing palms to feed on what? The Seventh Amendment to the U.S. Constitution guarantees which right? The state house in which city is where George Washington resigned his commission as commander-in-chief in 1783? The story of which dancer, who became a French citizen in 1937, was made into a TV movie starring Lynn Whitfield? The Sun is about 333,000 times as massive as Earth and about 1,047 times as massive as which planet?