What black stone is the most common volcanic rock on Earth?

More Questions:

What chess piece makes an L-shaped move?

Angostura Bitters were first sold in what year?

From which US university did Richard Nixon obtain a law degree?

Who rescued Prometheus from the rock to which he was chained?

Which author and philosopher is known for his works The Plague, The Outsider and The Fall?

Who was the son of Zeus and Maia?

What type of natural perfume comes from beavers?

What are the four chambers of the heart?

On the periodic table, an element’s atomic number represents the number of what in it's atom?

What TV show was set mainly at the Stratford Inn in rural Vermont?

What were Laurel and Hardy's first names?

What was the name of Buddy Holly's back-up band?

What city was Rasputin killed in?

What was the nationality of Franz Liszt?

Who is the eighth member of the group LOONA to debut?