The denuding actions of air and water have, from the beginning, been modifyingevery exposed surface: everywhere working many different changes. As alreadysaid (§69) the original source of those gaseous and fluid motions whicheffect denudation, is the solar heat. The transformation of this into vario...
***Download NovelToon to enjoy a better reading experience!***
Updated 206 Episodes
First Principles
Episode 166
Comments