1. quizWhat is the Burgess Shale?
  2.  What is obsidian?
  3.  Apart from March, on which other months of the Julian calendar do the ides fall on the 15th day rather than the 13th?
  4.  What are the main vegetable ingredients of mirepoix?
  5.  Who is credited with the saying, “make peace as exciting as war”?