57% knows the answer to this question: "In what war was the 'Battle of Nashville'? "

And do you know the answer to this one? "Which of these continents has a polar climate zone?"

31% knows the answer to this question: "Michelangelo, Leonardo da Vinci, Donatello, and Botticelli were artists from what country? "

And do you know the answer to this one? "Where can you find the Sydney Opera House?"

31% knows the answer to this question: "Who began writing "Harry Potter and the Philosopher's Stone" in 1990? "

And do you know the answer to this one? "Which former Prime Minister of Israel died in 2014?"

88% knows the answer to this question: "Hemoglobin makes this red. When it's deoxygenated, it looks blue. What is it? "

And do you know the answer to this one? "James Butler Hickok was better known by which name?"

93% knows the answer to this question: "Which choice is most related to "cupid"? "

And do you know the answer to this one? "What comes in sheets and is used to make candles?"

79% knows the answer to this question: "Pregnancy in humans lasts how many days? "

And do you know the answer to this one? "Gingivitis is minor but can lead to the more serious periodontitis, affecting what body part?"

51% knows the answer to this question: "According to rumours, what takes seven years to pass through your digestive system if swallowed? "

And do you know the answer to this one? "Who released the world's first commercially available microprocessor in 1971?"

36% knows the answer to this question: "Giraffes like to eat what type of food? "

And do you know the answer to this one? "Which movie is about an elderly Jewish woman and her African-American chauffeur?"

79% knows the answer to this question: "Ludwig van Beethoven is known for being which one of the following? "

And do you know the answer to this one? "What is the difference between soft drinks and hard drinks?"

79% knows the answer to this question: "Who roamed around Sherwood Forest with his merry men? "

And do you know the answer to this one? "Where is the Washington Monument located?"

72% knows the answer to this question: "What do you call the seed in the middle of a cherry? "

And do you know the answer to this one? "Which soft drink had the slogan "The Friendly Pepper-Upper"?"

44% knows the answer to this question: "If a US citizen is known as a "Mainer", where are they from? "

And do you know the answer to this one? "Only one of these mountains is found in the USA. Which one?"