Problem: What is the base for the common logarithm?
Answer: 10

Problem: The Canary Islands lie due west of which African Country?
Answer: morocco

Problem: What is the collective name given to the 16 volcanoes identified by the International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) as being worthy of particular study in light of their history of destructive eruptions and proximity to populated areas?
Answer: decade volcanoes

Problem: Guy Fawkes Night on November 5th celebrates the discovery of the plot to blow up the Houses of Parliament? In what year did this take place?
Answer:
1605