Geography 1
Geography 2
Biology
Mix 1
Mix 2
100
What's the length of the Volga river?
3 530 km
100
How many countries are there in the world?
195
100
How many teeth do white sharks have?
about 300 teeth
100
How many paintings are there in the Louvre?
100
100
How many calories does an average man and woman need to eat per day?
a woman - 2,000 calories
a man - 2,500 calories
200
How high is mount Kilimanjaro?
5 895 m
200
How high Burj Khalifa in Dubai?
828 m
200
How much skin does a human lose in their life?
about 47,6 kg
200
How old is the oldest tree?
9550 years old
200
How much does the Mona Lisa cost in 2020?
around $700 million USD
300
What is the length of the equator?
about 40 075 km
300
How long is the Amazon River?
6 400 km
300
What's the length of blood vessels in the human body?
100 000 km
300
How long is the Trans-Siberian Main Railroad in Russia?
9288,2 km
300
How many people are born every day?
about 360,000 babies per day
400
What's the distance from the earth to the moon?
384 400 km
400
What's the population of Liechtenstein?
about 38 557
400
How many types of animals are there in the world?
8.7 million species
400
How many hours do we sleep in our lifetime?
about 229,961 hours
400
What's the amount of hair on the head?
about 160 000
500
What's the population of Earth?
about 7,577,130,400
500
What's the area of the World Ocean?
361 132 000 km2
500
How many birds are there in the world?
about 400 billion individual birds
500
How long is the Great Wall of China?
21 196 180 m
500
What's the number of minutes in a year?
525 600