Answer: Alaska
With a land area measuring approximately 1,723,337 square kilometers, Alaska is the largest state in the United States of America.

Answer: Arizona
Carved by the Colorado River, the Grand Canyon is one of the world's most famous canyons. It is located in Colorado, Arizona.

Answer: Mandarin Chinese
Chinese Mandarin is currently the most spoken language in the entire world. It is spoken by over a billion people.

Answer: J.K. Rowling
British novelist, J.K. Rowling gained international fame after writing and publishing the Harry Potter series of fantasy novels.

Answer: Leonardo da Vinci
In addition to being Leonardo da Vinci's most famous work, the Mona Lisa is also one of the most precious works of art of all time.

Answer: Mount Everest
Mount Everest has a height of 29,029 ft. It is located in China and Nepal.

Answer: 12
There are 12 straight edges in a cube.

Answer: Blue whale
The blue whale is not only the largest sea animal, but also the largest animal in the world.

Answer: 10
A period of 10 years is referred to as a decade.

Answer: Bill Clinton
During President Bill Clinton's administration, Al Gore served as the Vice President of the United States. He held that post from 1993 to 2001.