14 life lessons you wish you had learned in college but probably didnât Ben Carlson weighs in on money, work, health and other lessons you might have missed. Crate & Barrel CEO Doug Diemoz leaves the company Crate & Barrel's CEO Doug Diemoz has left the company, a spokesperson confirmed with MarketWatch.
Summary. The theory of continental drift was the first step toward plate tectonic theory, which became the foundation upon which modern geology is built. This module describes how the work of Alfred Wegener, Harry Hess, and others led to our understanding of plate tectonics. It explains plate tectonics as the driving force behind ongoing changes on Earth.
Plate Tectonic Theory. Plate tectonics is the theory that explains the global distribution of geological phenomena. Principally it refers to the movement and interaction of the earth's lithosphere.