What metal is the essential ingredient in a dental amalgam filling?

More Questions:

Musophobia is the fear of what?

On what holiday did Harry Houdini die in 1926?

The "Robots in Disguise" are better known as what?

The line "I never saw a purple cow" is the beginning of a poem by what author?

What is the only nation that shares a land border with Vatican City?

Which country contains the most forested area?

Sierra Leone is located on which African coast?

What is Philo T. Farnsworth credited with for inventing?

What is the real name of the Food Network's chef "The Barefoot Contessa"?

What actor was born with the name Tadewurz Konopka?

In the TV show "The Simpsons', who is Apu married to?

How many legs does the catbus have in "My Neighbour Totoro"?

The first vending machines in the US dispensed what?

In 1990, Edward Heath went on a mission to which country?

In the film industry, what is the primary job of the "Foley Artist"?