Relative Age: measured using Law of Superposition, measured using index fossils, describing rocks as younger or older than other layers, qualitative measurement, Absolute Age: 5-10 million years old, measured using radiometric dating, measured using Carbon-14 dating, measured using radioactive dating, actual age in numbers, quantitive measurement,

Relative Age vs. Absolute Age

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切換範本

恢復自動保存: ?