When artifacts are found in rock or earth that is layered, the deeper layers hold the older artifacts.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc.
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'''The Principle of Superposition''' states that when [[artifacts]] are found in rock or earth that is layered, the deeper layers hold the older artifacts.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref>