Whos on first a relative dating activity

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The most recently deposited materials are the youngest and are always at the top. It always applies except when some type of disturbance has occurred.Strata in archaeological sites provide archaeologists with temporal and spatial information.Scientists have developed technology that can accurately date rocks using radioactive materials which are fixed into the rocks as they form from sediments.This dating technique is known as radiometric dating.

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Visit the following site and read about each of Steno's laws (principles).From this information, scientists can accurately infer the age of the test material.Continue to the Radiometric Dating portion of this assignment through use of a virtual web site.Similarly, materials of human origin are also deposited onto the earth’s surface.In archaeological sites, natural and human-generated materials occur together in layers.

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