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Mass of a motorbike (200 kg) is 20 x Mass of Tuba (10 kg)
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Estimated population of Eastern Grey Kangaroo (2011) (16.06 million individuals)
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.