What are the four layers of the rainforest?

More Questions:

Sociophobia is the fear of what?

What type tree gets its name from the Japanese word meaning "plant in a shallow tray"?

How many books are there in the New Testament?

What comic strip sometimes features a mailman named Beasley?

What began as a ligature of the letters "e" and "t"?

What drug did Sherlock Holmes take at the start of his career?

What is the capital of the Dominican Republic?

What is April's birthstone?

What poisonous spider can be identified by a small red hourglass-shaped marking on the underside of its body?

John Paul Jones was bassist and keyboardist for what rock band?

What year was Stonehenge added to UNESCO's list of World Heritage sites?

Germany's World War I allies were Austria-Hungary, Bulgaria, and which empire?

Mother Teresa was awarded the 1979 Nobel Prize for what?

How much did the United States pay Russia for the state of Alaska?

Electrum is a natural alloy of silver and what other metal?