Answer: Black Mamba
More information: The Black Mamba can reach up to 12 miles per hour. Don't be too afraid though, the Black Mamba uses its speed to escape danger, not catch prey.
Answer: A perfect number.
More information: You might also think of a perfect number as a number that is half the sum of all of its positive divisors, including itself! This definition is at least 2300 years old as it appears in Euclid's "Elements".
Answer: African Elephant
More information: An African elephant's ears can grow to be six feet long and four feet wide. Elephants use their giant ears to cool themselves down in warm weather.
Answer: 4 trivial factors.
More information: The positive +1 and +N and the negative -1 and -N.
Answer: The Megalodon
More information: Scientists speculate that diamonds originated from carbon dioxide atoms 100 miles below the Earth's surface more than a billion years ago.
More information: Sodium chloride (also known as salt or halite), is an ionic compound representing a 1:1 ratio of sodium and chloride ions.
Answer: 8 minutes and 20 seconds
More information: Photons emitted from the surface of the Sun travel across the vacuum of space to reach our eyes.