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You would also need to add everything underground which could probably add 10% or more to your answer.10% is a guesstimate a sort of wild shot in the dark. . ps if you can read that without glasses then your eyesight is as perfect as mine
Quote from: ukmicky on 12/08/2007 02:37:46You would also need to add everything underground which could probably add 10% or more to your answer.10% is a guesstimate a sort of wild shot in the dark. . ps if you can read that without glasses then your eyesight is as perfect as mine I've just read a book called "H2O A Biography Of Water" by Philip Ball. In it he mentions a theory which suggests that "Some estimates suggest that as much as three quarters of the [Earth's] mantle between 400 & 525 kilometres deep could exist in the form of wadsleyite, which provides an immense possible reserve of water - over a dozen oceans' worth"