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geology that branch of science which explains how the earth was created and how the natural processes of erosin,plate tectonics, earthquakes,glaciation,sed ...
ripple stone
www.rockingeology.com - 2009-02-11
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Tasa Graphic Arts, Inc. - High quality interactive educational software programs and images for the Earth Sciences on CD-ROM and DVD-ROM for Windows and ...
earthquake animation
www.tasagraphicarts.com - 2009-02-05
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