481360
9780736809498
Discusses the forces that change Earth's surface, including the movement of plates, volcanoes, and earthquakes, and the effects of those forces. Includes information on Mount Saint Helens.Olien is the author of 'The Changing Earth (Bridgestone Science Library Exploring the Earth)', published 2001 under ISBN 9780736809498 and ISBN 073680949X.
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