First Book in Geology —— Designed for the Use of Beginners

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ISBN: 9781330466278 出版年：2016 页码：287 N S Shaler Forgotten Books

The greatest and most easily seen of these agents is water, therefore the book begins witha study of water in its most simple mode of action. Next, the action of heat, in its various ways of working, should command the stu dent's attention. Finally, the animal and vegetable life of the earth, whose forces come mainly from the action of heat, receive some attention.