In the course of the history of the earth innumerable events have occurred one after another, causing changes of states, all with certain lasting consequences. This is the basis of our developmental law, which, in a nutshell, claims that the… — Bernhard von Cotta Copy Share Image
In the course of the history of the earth innumerable events have occurred one after another, causing changes of states, all with certain lasting… — Bernhard von Cotta Copy Share Image
