64% knows the answer to this question: "What theory proposes that Earth's landmasses were once connected and drifted apart? "

And do you know the answer to this one? "What molecules in fossil fuels are made from carbon and hydrogen?"

54% knows the answer to this question: "The science term, "agronomist", is best defined as? "

And do you know the answer to this one? "Which of these is a unit of luminance on a surface?"

80% knows the answer to this question: "What is the chemical element cadmium mostly used for? "

And do you know the answer to this one? "Which of these measurements would be different on Mars than on Earth?"

37% knows the answer to this question: "What is the tube that carries food into the stomach called? "

And do you know the answer to this one? "What famous volcano erupted in 1980 after many years of dormancy?"

93% knows the answer to this question: "Who invented the telephone? "

And do you know the answer to this one? "About what did a U.N. panel give a dire forecast in 2007?"

60% knows the answer to this question: "In 1970, Alan Shugart was credited with which invention/discovery? "

And do you know the answer to this one? "Which of these was the "Lusitania"?"

43% knows the answer to this question: "In 1994, who was elected the first black President of South Africa? "

And do you know the answer to this one? "What sugar-regulating human hormone was first isolated in 1922?"

46% knows the answer to this question: "In 1966, Indira Gandhi became the prime minister of what country? "

And do you know the answer to this one? "The "Good Friday Agreement" helped establish peace between England and what other country?"

50% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "Parts of the movie "Lara Croft: Tomb Raider" were shot in what African country?"

52% knows the answer to this question: "Which of these vegetables is green and looks like a little tree? "

And do you know the answer to this one? "Risotto alla Milanese is a food item of what type of cuisine?"

56% knows the answer to this question: "What object, which debuted in 1949, is sometimes called a "45"? "

And do you know the answer to this one? "During the 1960's and 70's, where was the United States engaged in a war?"

58% knows the answer to this question: "Which food is in the grains group? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"