Did you know?
Mass of water in an Olympic Swimming pool at minimum depth of 2m (2.5 million kg) is 40 x Mass of an M1 Abrams tank (62,000 kg)
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Forest in Christmas Island (2011) (135 km^2)
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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