Geology (from the Greek γῆ, gê, "earth" and λόγος, logos, "study") is the science that comprises the study of the solid Earth and the processes by which it is shaped and changed. Geology provides primary evidence for plate tectonics, the history of life...
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March 28th 2012 ·
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Some descriptions above may come from the Wikipedia article Geology, licensed under CC-BY-SA full list of contributors here.