Which European country was the first to make ammonia in the laboratory?
Which European river flows through Lake Constance?
Which European sculptor created the statue “David”?
Which family controlled Florence during the Renaissance?
Which element has the abbreviation Hg?
Which element has the chemical symbol Co?
Which country’s national currency is called the “Kuna”?
Which element is Ra in the periodic table?
Which country’s national flag provided the symbol for the Red Cross?
Which element of a circuit reduces wattage?
Which creatures are renowned for gathering in destructive swarms?
Which email-generated craze from the USA gathered momentum in the UK in 2003?