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SCI 245 Week 2 DQ 1 and DQ 2


Discussion Questions   Your instructor will assign you one of the following methods of evaluating geologic time: Absolute Dating/Numerical Age or Relative Dating. Describe your assigned method and how it is used to evaluate geologic time. Review another student’s method that is different from yours. Reply to another student who describes a different method than yours and comment on which method you think is more reliable or accurate.   Scientists debate about the use of fossils as a tool to determine records of various events, such as the vanishing of the dinosaurs or the origin of our ancestors. Based on what you know of fossils from your textbook and other sources, discuss the role of fossils in helping scientists develop accurate records of the geologic history of the Earth. Address important discoveries such as the 3.3-million-year-old fossilized remains of a child in the Dikika region of Ethiopia.



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