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Mass of a concert grand piano (450 kg) is 25 x Mass of a typical microwave oven (18 kg)
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Forest in Cote d'Ivoire (2011) (105,400 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.