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Using relative and radiometric dating methods, geologists are able to answer the question: how old is this fossil?. Archeologists, geologists, and anthropologists primarily make use of relative dating techniques to understand the sequence of events, in order. Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence. The method of reading the order is called.

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For Set B , you may want to color code each organism type i. It is not uncommon to have students reverse the M and D for example and begin the sequence with DM because that is the way they are printed on the card. Marine sedimentary rocks such as limestone, shale, and sandstone might contain fossils similar to those depicted in this activity. Explore this link for additional information on the topics covered in this lesson: The Law of Superposition, which states that in an undisturbed horizontal sequence of rocks, the oldest rock layers will be on the bottom, with successively younger rocks on top of these, helps geologists correlate rock layers around the world.

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