Did you know? Mass of a barrel of crude oil (159l) (139 kg) is 100 x Mass of an ostrich egg (approx) (1.4 kg) Tweet this comparison
Pop. of Thailand (68.6million)
/fact/population-of-thailand
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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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