Did you know? Time since the emergence of multicellular life (2.1 billion y) is 5 x Time since the end of the Silurian geologic period (419 million y)
GDP in Zambia (2017) (25.71 billion USD p/a)
/fact/gdp-in-zambia
Link
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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Click here for Podcast: Andrew Elliott interviewed for New Books Network.