87% knows the answer to this question: "Which element has the chemical symbol 'O'? "

And do you know the answer to this one? "Who painted the ceiling of the Sistine Chapel?"

79% knows the answer to this question: "Which country is famous for the Eiffel Tower? "

And do you know the answer to this one? "Who is known as the "King of Rock and Roll"?"

88% knows the answer to this question: "Which animal is known as the “ship of the desert”? "

And do you know the answer to this one? "Which U.S. president issued the Emancipation Proclamation?"

44% knows the answer to this question: "Which U.S. state is the Grand Canyon located in? "

And do you know the answer to this one? "Which part of the body does an ophthalmologist specialize in?"

83% knows the answer to this question: "Which gas is most commonly used in lightbulbs? "

And do you know the answer to this one? "Which famous ship was found in 1985 after being lost since 1912?"

80% knows the answer to this question: "Who sang the 1980 hit “Call Me”? "

And do you know the answer to this one? "Who made “Addicted to Love” iconic in 1986?"

71% knows the answer to this question: "Who performed the smooth ballad “If You Don’t Know Me by Now” (1972)? "

And do you know the answer to this one? "Who sang “Let’s Stay Together” in 1972?"

76% knows the answer to this question: "Which continent is known as the “Dark Continent”? "

And do you know the answer to this one? "What is the hardest natural substance on Earth?"

60% knows the answer to this question: "What is the name of the galaxy we live in? "

And do you know the answer to this one? "Who painted the Mona Lisa?"

92% knows the answer to this question: "What is the smallest planet in our solar system? "

And do you know the answer to this one? "Which language is primarily spoken in Brazil?"

69% knows the answer to this question: "Which war was fought between the North and South regions of the United States? "

And do you know the answer to this one? "Who was the first female Prime Minister of the United Kingdom?"

45% knows the answer to this question: "Who was the first President of the United States? "

And do you know the answer to this one? "In what year did World War II end?"