The Quino checkerspot and Laguna Mountains skipper, added to the endangered species list in 1997, are what?

Add which letter to "Mars" to get a word for a fen? Add which letter to "sale" to get a type of rock? In the "Addams Family" theme song, the family is creepy and what? A site in Topeka, Kansas, added to the National Park System in 1992 honors which 1954 Supreme Court case? Added to the National Film Registry in 2000 was a 1957 short in which snacks sing which song? What is a compulsion to steal things that aren't needed? Addressing Congress, FDR called December 7, 1941, "a date which will live in..." what? Adela Rogers St. Johns, hired by which press baron in 1913, reported on his granddaughter's trial in 1976?