Animal
What percentage or more of jellyfish is made up of water?
95%
What planet is the earth from the sun?
third
Every how many years does the human skeleton undergo a complete rebirth?
10
Where is the oldest school in the world?
China
How much is the most expensive pizza in the world?
＄12000
Why are tigers striped？
Tigers have striped skin
When did life begin in earth?
About 4.1 billion years ago
Which part of the human body never stops growing?
ears and nose
Where is the elementary school located, the highest school in the world?
Tibet
What was ketchup used as in the past?
medicine
How do horses communicate?
use facial expressions
What percentage or more of the Earth's oceans are unexplored?
95%
What is the maximum speed at which a message from the human brain travels?
200mph (322km/h)
How many students does the school with the largest student population in the world have?
56000
How many hamburgers does McDonald's sell each year?
2.5 billion
How many hearts does an octopus have?
3
What percentage of all species that have ever existed on earth are extinct?
99％
In the human adult, what percentage of bones are in the feet?
25%
What licenses does Lake Superior State College in Michigan offer?
Unicorn hunting license
Where do French fries come from?
Belgium
How many new animal species are discovered every year？
15000~20000
At what speed does the earth rotate?
about 460m/second
Humans spend about how many years of their lives eating?
5years
At what age do Finnish children not go to school?
７
What food is 60% identical to human DNA?
banana