Science
Related: About this forumTen Mindbending Facts About Water
http://www.fromquarkstoquasars.com/facts-about-water/10. Earth Doesnt Have as Much Water as you Probably Think it Does

9. Europa Actually Has Much More Water Than Earth
8 more things you need to know about water at the link.

packman
(16,296 posts)"...molecules found in your drinking water passed through the bladder of Einstein, Shakespeare, Cleopatra, Sir Issac Newton and maybe even Confucius himself pretty much anyone you can think of." They always give the crème de la crème of humanity, but not the dregs and scum of humanity - every murderer, rapist, pervert, etc. of the human race also.
99th_Monkey
(19,326 posts)Fred Sanders
(23,946 posts)This is another of my favorite illustrations to make the point about the atmosphere and how thin it is and why humans CAN influence what is there:
http://airbornecombatengineer.typepad.com/.a/6a00d834515cf969e20120a6d70fd5970b-pi
99th_Monkey
(19,326 posts)Last edited Wed Sep 30, 2015, 01:02 PM - Edit history (1)
Those visuals drive the point home quite well.
On edit: I'm so used to seeing the visual of the surface, where it appears the earth is
about 1/2 water, but alas it is not. It occurs to me this is a great example of how "optics"
can be very deceiving, even in nature.
AuntPatsy
(9,904 posts)Nitram
(22,140 posts)Raindrops need a nucleus of some kind, but most of them form around particles of dust that originated on the surface of the earth.