Urine-indicator dye: Quiz

Question 1: It's commonly believed to exist in the United States, ________, and Spain amongst other countries.
BelizeUnited KingdomCanadaBarbados

Question 2: Urine-indicator dye is a fictional substance thought to form some sort of colored cloud in a pool to indicate the presence of ________.
ChlorineNitrogenAmmoniaUrine

Source: The Full Wiki (http://quiz.thefullwiki.org/Urine-indicator_dye)