What acid gives citrus fruits their distinctive sharp flavor?

More Questions:

In bowling what is the term for knocking down all pins with 2 consecutive balls?

How many bytes are there in a kilobyte?

What high school did Brett Favre play football for?

Which Roman God was the equivalent of the Greek God Dionysus?

Who played the male starring role in 1967 film "The Graduate"?

What 1984 film features small, furry creatures called Mogwai?

What former musician played bass on Madonna's "Like a Prayer"?

What is the name of the character Larry David plays in the TV show "Curb Your Enthusiasm"?

What sport is the focus of the movie "Lords of Dogtown"?

Who recorded the album "Business as Usual" in 1981?

What athlete had a part in the movie "Black Caesar"?

What was created almost 7,000 years ago by the eruption of Mount Mazama?

Which of Henry VIII's wives was the only one to bear him a legitimate, surviving son?

What is produced using the Kroll process?

In the novel series, "A Series of Unfortunate Events", who was the Baudelaire's sixth guardian?