What vitamin, found in carrots, helps maintain the acuity of your vision?

More Questions:

In which comic book did Batman make his first appearance?

What artist pioneered Abstract Impressionism in 1948?

Belgrade lies on the Danube and which other river?

In 2004, a nine-foot-tall bronze statue of Bobby Bowden was dedicated in what US city?

What is the atomic number of the element uranium?

What animal species are ninth in the twelve-year cycle of animals in the Chinese zodiac?

A tetrapod is a creature with how many feet?

What is the chemical symbol for Chlorine?

What was the name of the IBM supercomputer which defeated chess champion Garry Kasparov in a 1997 match?

The TV mini-series "Rich Man, Poor Man" was based on the lives of what family?

Who performed "The Wall" by the Berlin Wall?

What Sioux tribe did Sitting Bull belong to?

A photic sneeze is often caused by what stimuli?

Sophophobia is known as the phobia of what?

Nuuk is the capital of which country?