Title: Portugal.
Question: What is the Policia Judiciaria - PJ (Judicial Police)?

Title: Memory.
Question: Who has a better memory retention a 6 month old or a 9 month old?

Title: Gene.
Question: What are genes that occur from duplication within an organism's genome called?

Title: Kievan Rus%27.
Question:
In what year did the mongol invasion begin?