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Mass of a Blue Whale (190,000 kg) is 5 thousand x Mass of a standard wheel of Parmigiano-Reggiano cheese (38 kg)
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Pop. of Busan, South Korea (3.59 million people)
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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