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Facts

Each day the sun causes

about 1 trillion tons of water to evaporate.

Finland has 187,888 lakes

and 179,584 islands.

In a day, mature oak tree

can draw approximately 

50 gallons of water.

In one gram of soil, 

about 10 million bacteria live in it.

The most common rock on 

Earth is basalt.

The Arctic Ocean is 

Saltier than the Pacific ocean.

The Pacific ocean covers

28% of the Earth's surface.

One Neptune year

lasts 165 Earth years.

Pluto is the only planet

in our solar system that has

not been visited by a spacecraft.

The Nile river

is 6690 kilometers long.

A woman has approx. 4.5 lit.

of blood in her body,

while men have 5.6 lit.

Blood accounts for about 8% 

of a human's body weight.

Two million red blood cells die every second.

Adult human bones account for 14%

of the body's total weight.