Which is the smallest country in the world by area?
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Vatican City
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Liechtenstein
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Monaco
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Maldives
Who developed the theory of relativity?
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Galileo Galilei
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Albert Einstein
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Nikola Tesla
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Isaac Newton
What is the largest desert in the world?
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Arabian Desert
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Antarctic Desert
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Gobi Desert
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Sahara Desert
Which element has the atomic number 1?
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Oxygen
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Nitrogen
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Helium
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Hydrogen
Which country gifted the Statue of Liberty to the USA?
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Germany
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France
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Italy
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Spain
What is the hardest bone in the human body?
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Skull
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Spine
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Femur
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Jawbone
Which is the longest river in the world?
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Nile River
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Yangtze River
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Amazon River
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Mississippi River
Who was the first person to walk on the Moon?
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Yuri Gagarin
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Michael Collins
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Buzz Aldrin
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Neil Armstrong
Which organ in the human body produces insulin?
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Heart
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Pancreas
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Kidney
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Liver
Which blood group is known as the universal donor?