I was expecting some illustration like this: http://ga.water.usgs.gov/edu/earthhowmuch.html http://ga.water.usgs.gov/edu/earthhowmuch.html Just with oxygen inst

I was expecting some illustration like this: http://ga.water.usgs.gov/edu/earthhowmuch.html http://ga.water.usgs.gov/edu/earthhowmuch.html Just with oxygen instead of water.