Did you know? Mass of water in Lake Kariba (180 trillion kg) is 500 x Mass of all the humans on Earth (358 billion kg)
GDP in Mongolia (2017) (11.14 billion USD p/a)
/fact/gdp-in-mongolia
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If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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