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Earths Past

TermDefinition
Radiometric Dating A technique used to date materials. It compares the levels of radioactive elements (commonly Carbon or Potassium) to decay rates
Geologic Time Scale A record of the life forms and geologic events in Earth's History
Fossils A remnant, impression, or trace of an animal or plant geologic age that has been preserved
Atoms Basic unit of Chemical Element; Has protons, electrons, and neutrons
Elements A substance made up
Eon
Era
Period
Epoch
Created by: user-2016462
 

 



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