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The History of Life
Radiometric Dating
Radiometric dating definition: Comparing the amount of radioactive and nonradioactive isotopes to determine rock age.
Related Terms
Anthropoid
Bipedal
Cambrian Explosion
Endosymbiotic Theory
Epoch
Era
Geologic Time Scale
Half-life
Index Fossil
Mass Extinction
Paleontologist
Period
Plate Tectonics
Primate
Relative Dating
Spontaneous Generation
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