What is the primary ingredient in the silvery amalgam used in dental restoration?

More Questions:

What was the second country to be featured in the "Michelin Guide" in 1904?

What is the main ingredient used to make pesto sauce?

What is Charlie Brown's sister's name?

What city was the subject of a 1982 Billy Joel song about layoffs?

What is the only nation that borders both Andorra and Portugal?

Richmond is the capital of which US state?

The "Oort Cloud" is made up of what?

What is mixed with clay, baked in a kiln, and then pulverized in order to make Portland cement?

What British TV character was nearly named "Mr. Cauliflower"?

Who played European John Blackthorne in the miniseries "Shogun"?

Who was assassinated by Gavrilo Princip?

What year did The Gambia gain its independence from the United Kingdom?

What is the atomic number of Californium?

What Hanna-Barbera cartoon characters were patterned after Ed Norton from the TV series "The Honeymooners"?

What American discount retail chain is headquartered in Bentonville, Arkansas?