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determining earth's history: mastery test
select the correct answer from each drop-down menu.
complete this passage about relative dating.
barry is applying the principles of relative dating to a building that has been constructed. analyzing a section of the building, barry says
that the lowest part of the section must have been constructed
the parts above it were constructed. he bases this
conclusion on the principle of
also, looking at a crack forming in the building wall, he says that the crack
must be
the wall. barry used the principle of
to arrive at this conclusion.
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