75% knows the answer to this question: "What seafaring warriors traveled the Oder River in Poland during the Middle Ages? "

And do you know the answer to this one? "What is the condition in which person will not eat, lack of appetite?"

69% knows the answer to this question: "What is a change in the form of a species over time called? "

And do you know the answer to this one? "Which of the following land areas is the largest? "

92% knows the answer to this question: "Which of these continent - country - capital groups is correct? "

And do you know the answer to this one? "What part of a plant produces seeds?"

55% knows the answer to this question: "Which animal has mask-like markings on its face and a ringed tail? "

And do you know the answer to this one? "What type of geography is the land of Afghanistan?"

95% knows the answer to this question: "Which of these varieties of beans is not actually a vegetable? "

And do you know the answer to this one? "D-Day is associated with which war?"

38% knows the answer to this question: "Which of the following words is defined as a type of food poisoning? "

And do you know the answer to this one? "The U.S. invaded Afghanistan in 2001 to topple what government?"

56% knows the answer to this question: "Which of these land mammals are the largest and heaviest? "

And do you know the answer to this one? "What single citrus fruit holds about 2/3 of our daily Vitamin C needs?"

82% knows the answer to this question: "A straw Panama hat is usually worn in what kind of weather? "

And do you know the answer to this one? "Which is the only continent without snakes or reptiles?"

62% knows the answer to this question: "What do you call a type of transaction where one item is exchanged for another? "

And do you know the answer to this one? "Which scientific term means "a small body of water"?"

82% knows the answer to this question: "The definition of "eye disease" best fits which science term? "

And do you know the answer to this one? "What are the claws of a bird of prey called?"

37% knows the answer to this question: "Raisins are made by drying which fruit? "

And do you know the answer to this one? "Which Queen of England celebrated her Diamond Jubilee in 2012?"

56% knows the answer to this question: "What is the official language of France? "

And do you know the answer to this one? "Which one of the following means "a place for instruction"?"