SCI 245 Week 2 DQ 1 And DQ 2 .pdf
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SCI 245 Week 2 DQ 1 And DQ 2
Week 2 DQ 1
Select one of the following methods of evaluating geologic time: Absolute
Dating/Numerical Age or Relative Dating. Describe your chosen 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.
Week 2 DQ 2
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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