M monica k New member Sep 19, 2009 #1 Has the world's supply of water changed in volume in the past 100 years? It doesn't say in the book, and i read over everything, but still couldn't find out if it has changed in the past 100 years... Does anybody else know? Thanks.
Has the world's supply of water changed in volume in the past 100 years? It doesn't say in the book, and i read over everything, but still couldn't find out if it has changed in the past 100 years... Does anybody else know? Thanks.
