1. Black mamba
   Common carp
2. Isopod
   Caridean shrimp

The black mamba is one of the most dangerous snakes in the world. It has the scientific name "Dendroaspis polylepis."

1. Brain
   Liver
2. Pancreas
   Spleen

The liver is the largest internal organ in the human body. It also helps with breaking down various types of blood cells.

1. Eyes
   Ears
2. Skin
   Nose

Your skin is the largest external organ. Your skin also has a variety of functions, such as keeping you warm and protecting you from disease and bad bacteria.

1. Cadmium
   Actinium
2. Beryllium
   Polypodium

Polypodium is not on the periodic table of elements. It's actually a species of fern plants.

1. To be honest in nature
   To speculate or hypothesize
2. To be cautious when it comes to risk-taking
   A type of surgical procedure that involves the removal of foreign objects

"To be cautious when it comes to risk-taking" is the correct definition of "circumspect." This word also has Latin origins.

1. y=mx+b
   A= πr²
2. S=4πr²
   a²+b²=c²

a²+b²=c² is the correct formula for the Pythagorean Theorem. The formula is used to find missing sides of a right triangle.

1. Enrico Fermi
   Berenice Abbott
2. Gertrude Abercrombie
   Carla Accardi

Enrico Fermi was a physicist who created the Chicago Pile-1, which was the first nuclear reactor in the world. He also won many awards for his work, including the Nobel Prize.

1. Paul Revere
   Joseph Warren
2. James Otis
   Alexander Hamilton

Alexander Hamilton was not part of the Sons of Liberty during the Boston Tea Party. He was the first US Secretary of the Treasury.

1. Frilly Edible Chrysanthemum
   Lily of the valley
2. Bergamot
   Chervil

Lily of the valley is a very poisonous flower that can cause a number of harmful ailments. The rest of the answers in the list are actually edible flowers!

1. In its head
   In its tail
2. In its legs
   On its back

A shrimp's heart is actually located in its head! Specifically, the heart is on the "thorax" of a shrimp.

1. Urbain Le Verrier
   Edmond Halley
2. Clyde Tombaugh
   Edwin Hubble

Pluto was discovered by Clyde Tombaugh, who was an astronomer. He also contributed to the astronomy field by identifying various types of asteroids.

1. Yellow
   Red
2. Green
   Blue

The primary colors of the color wheel are blue, red and yellow. Green is a secondary color, along with violet and orange.

1. Jackson Pollock
   Max Ernst
2. René Magritte
   Keith Haring

Jackson Pollock is best known for his work in abstract expressionism. His specialty was called "drip painting," and his work can be seen in the Museum of Modern Art.

1. Pablo Picasso
   Claude Monet
2. Henri Matisse
   Edvard Munch

Edvard Munch created "The Scream" painting in 1893. Munch was a Norwegian artist who excelled in Expressionism.

1. Samuel Morse
   Otto Frederick Rohwedder
2. Alfred Nobel
   Wright brothers

Otto Frederick Rohwedder invented the machine that creates sliced bread. This was officially created in 1928.

1. Russia
   Canada
2. China
   North America

Although China has the highest population, Russia is the largest country in terms of land mass. Its size clocks in at just over 17 million square kilometers!

1. Tegucigalpa
   Reykjavik
2. Kingston
   Astana

Reykjavik is the capital of Iceland, as well as the largest city in the country. Its current population is 122,853.

1. 101 years
   99 years
2. 100 years
   116 years

Despite its name, the Hundred Years' War didn't last 100 years, but actually 116 years. The battle was between France and England.

1. James Buchanan
   Franklin Pierce
2. James K. Polk
   Zachary Taylor

James Buchanan was the 15th president of the United States. He was in office from 1857 to 1861.

1. Turkey
   Ukraine
2. Iran
   India

The hryvnia is the official currency of the Ukraine. In fact, 1 Ukrainian hryvnia is equivalent to 0.036 USD.

1. Bismarck
   Raleigh
2. Columbia
   Pierre

Pierre is the capital of South Dakota. Pierre is known for a variety of landmarks, including the Oahe Dam and the South Dakota State Historical Society.

1. Banana
   Apples
2. Rutabaga
   Peppers

Rutabagas are a root vegetable. Believe it or not, peppers are actually considered to be a fruit since it contains seeds.

1. Hollandaise
   Beurre blanc
2. Bordelaise
   Charcutière

Hollandaise is a popular sauce that makes eggs benedict rich and creamy, and is one of five mother sauces in French cuisine. Other mother sauces include Espagnole and Velouté.

1. Florida
   New York
2. Pennsylvania
   Georgia

Florida was not one of the original 13 colonies. Other "original" colonies include Delaware, New Jersey and Connecticut.

1. Lake Huron
   Lake Michigan
2. Lake Toronto
   Lake Ontario

Lake Toronto is not a lake at all, but Lake Ontario is, as well as Lake Michigan and Lake Huron. The other two Great Lakes are Lake Erie and Lake Superior.

1. Italian
   Spanish
2. American
   French

A caffè macchiato has Italian origins and translates to "coffee with stains" in English. It's made by pouring a thin layer of foamed milk over the top of espresso.

1. Nonillion
   Quadrillion
2. Undecillion
   Decillion

While we refer to very large numbers as million, billion and trillion, there are in fact, even bigger numbers that exist! An undecillion is one of them, which has 36 zeroes after the 1.

1. Vikings
   Chiefs
2. Bears
   Patriots

The Chiefs lost against the Packers in the very first Super Bowl. The score was 35-10.

1. Macula
   Vitreous
2. Sclera
   Retina

The sclera is the white outer part of your eyes. The sclera can also change in color, such as yellow or blue, which could indicate an underlying disease or infection.

1. Japan
   Italy
2. Germany
   China

China was not part of the Axis Powers during World War II; it was part of the Allied Powers. Other allied powers included the United States, France, Great Britain and the Soviet Union.

1. Arthur Middleton
   John Hancock
2. Caesar Rodney
   Samuel Dexter

Samuel Dexter did not sign the Declaration of Independence. He was the third Secretary of Treasury of the United States.

1. George Read
   George Clymer
2. Thomas Paine
   John Hart

Thomas Paine wrote "Common Sense" between 1775 and 1776. The pamphlet aimed to create the democratic republic and to gain American independence from England.

1. Snow White and the Seven Dwarfs
   Dumbo
2. Fantasia
   Pinocchio

"Snow White and the Seven Dwarfs" was Walt Disney's first movie. It was released in 1937, and was later followed up with "Pinocchio," "Fantasia" and "Dumbo."

1. Temple of Artemis at Ephesus
   Capuchin Monastery Catacombs
2. Lighthouse of Alexandria
   Colossus of Rhodes

The Capuchin Monastery Catacombs are not one of the seven wonders of the ancient world. They are located in Italy, and are home to the "sleeping beauty," Rosalia Lombardo.

1. Checkers
   Tic-Tac-Toe
2. Tower of Hanoi
   Nim

Tic-Tac-Toe is featured in the film "WarGames." This film came out in 1983 and starred Matthew Broderick and Dabney Coleman.