What pigment makes plants green?

More Questions:

In which sport would you be judged on your pike or your jack knife?

What famed London street was home to gentlemen's clubs like the Anthenaeum and the Reform Club?

What's the alcohol in an Old Fashioned cocktail?

Which artist's "Impression Sunrise" gave its name to the whole impressionist movement?

Which Canadian provinces are known as the "Maritime Provinces"?

Which US state is home to Craters of the Moon National Monument?

Which island boasts of being Napoleon's birthplace?

What process is utilized to make cows" milk safe for human consumption?

What did Leo Hendrik Baekeland call the plastic he invented in 1907?

Who played the role of Tracy Samantha Lord in the 1956 film "High Society"?

Who portrayed Michael Corleone's second wife in "The Godfather"?

How many Oscars have been awarded from inception through the 88th Academy Awards?

Who played Ashley Judd's husband in the 1999 movie "Double Jeopardy"?

George H.W. Bush served in which branch of the US military?

What military legend was nicknamed "Old Blood and Guts"?