A deficiency of which vitamin can lead to night blindness?
How many ounces are in a gallon?
How much larger is UK pint compared to the US pint?
What instrument family does the French Horn belong to?
Which president proposed the Strategic Defense Initiative, nicknamed Star Wars?
Who introduced Johnny Depp to acting?
What organ in the human body produces insulin?
According to WhiteHouse.gov, the famous building in Washington, D.C. has 412 what?
Which human body part is the hardest?
What was America’s first major fast food chain?
