50% knows the answer to this question: "Which continent contains the Nile River and the Sahara Desert? "

And do you know the answer to this one? "If you've flown into Shannon Airport in County Clare, you're in what country?"

57% knows the answer to this question: "Which is the American space agency that started operations in 1958? "

And do you know the answer to this one? "Which President of North Korea ordered the execution of his own uncle in 2013?"

43% knows the answer to this question: "In which month is the American Thanksgiving holiday celebrated? "

And do you know the answer to this one? "Which of these countries has a monarchy?"

95% knows the answer to this question: "Which US city is known as 'Sin City'? "

And do you know the answer to this one? "Which famous Johnny O'Keefe song did he release in 1956?"

67% knows the answer to this question: "What season has the warmest weather in the U.S.? "

And do you know the answer to this one? "What do cooks use to tell when meat is done?"

72% knows the answer to this question: "Although associated with Italian pasta, what red sauce wasn't even possible until the key ingredient was discovered in the New World? "

And do you know the answer to this one? "Who sang the famous song ”Galveston” (1969)?"

61% knows the answer to this question: "Which islands made the headlines in 1982 when they were invaded by Argentina? "

And do you know the answer to this one? "Who was not a Pope?"

75% knows the answer to this question: "This largest, thickest nerve in the body travels from the lower back through the buttocks and into the leg. Add an "A" to its name and you have a painful lumbar disorder. What nerve is this? "

And do you know the answer to this one? "Which ancient civilization invented papyrus? "

80% knows the answer to this question: "What breed of dogs originated in Afghanistan? "

And do you know the answer to this one? "Which US President resigned over Watergate?"

67% knows the answer to this question: "What river did the Ancient Egyptians build their civilization on? "

And do you know the answer to this one? "What country bombed Pearl Harbor in World War II?"

67% knows the answer to this question: "Who supplies nearly 50 percent of the blood and blood products in the USA? "

And do you know the answer to this one? "Which of these is a flightless bird from South America?"

69% knows the answer to this question: "Which Cuban president had socialist leanings which angered U.S. leaders for decades? "

And do you know the answer to this one? "What was the name of the dentist, gambler and gunfighter who assisted Wyatt Earp in the gunfight at the O.K. Corral?"