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fossils7065b
fossils defentions
| Question | Answer |
|---|---|
| Relative Age | The age of somthinq compared with other things |
| Unconformity | Gap in the rock layer that is due to erosion or periods without any deposition |
| Abosolute Age | Age of a rock |
| Radiation Decay | The process of breaking down |
| Half Life | Is the time it takes for half of the atoms in the isotope to decay |
| radiomatric desting | Measuring the ratio of parent isotope to daughter product in a mineral |
| uniformitarianism | James Hutton estimated that earth is much older, he used this principle |