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2. How aggressive they are I found this book, and the entire Earth Life Series, being powerfully transformative. Written simply and lovingly, these teachings ring as true today while they did at publication in 1986. These are the same truths every master from every era taught, updated for modern time. They deal specifically with the everyday thoughts and circumstances we face now. There are many reasons why geology is essential in life and to civilization. Think about earthquakes, landslides, floods, droughts, volcanic activity, ocean water currents (el Ni??o), kinds of soil, fuel oils, minerals (gold, silver, uranium), and the like. Geologists study all of these concepts. Thus, the research into geology plays a crucial role in todays modern life and civilization.