×
+ All Categories
Log in
English
Français
Español
Deutsch
The top documents tagged [ground waterorganic]
Home >
ground waterorganic
------------------------- water table -------------------------
27 views
mass of the atmosphere: 5 x 10 18 kg mass of the atmosphere: 5 x 10 18 kg 1 ppm of this is 5 x 10 12 kg Tis is 5 x 10 9 tonnes Or: 5 billion tonnes.
220 views
------------------------- water table -------------------------
42 views