(par 2.2.1. 3) Water distribution on Earth
https://en.wikipedia.org/wiki/Water_distribution_on_Earth From Wikipedia, the free encyclopedia A graphical distribution of the locations of water on Earth Visualisation of the distribution (by volume) of water on Earth. Each tiny cube (such as the one representing biological water) corresponds to approximately 1,000 km³ of water, with a mass of about 1 trillion tonnes (200,000 times that of […]