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Mass of empty 40' shipping container (3,800 kg) is 100 x Mass of an Emu (38 kg)
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Land used for agriculture in Portugal (2011) (246.1 km^2)
If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.