challenge: What is Green Point in Newfoundland and Labrador known for being designated as in 2000?
  
  A. A UNESCO World Heritage Site
  B. A Global Stratotype Section and Point (GSSP) representing the division between the Cambrian and the Ordovician systems
  C. A major fossil discovery site of the Devonian period
  D. A Global Stratotype Section and Point (GSSP) representing the division between the Jurassic and Cretaceous systems
  Answer: 