


It’s based either on fossils which are recognized to represent a particular interval of time, or on radioactive decay of specific isotopes. Based on the Rule of Superposition, certain organisms clearly lived before others, during certain geologic times.
After all, a dinosaur wouldn’t be caught dead next to a trilobite.
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Unlike people, you can’t really guess the age of a rock from looking at it.
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Talking itself, has been replaced been texting, allowing users to remain in constant contact with friends and colleagues.
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Posso dire che vanta del lettore nel e di esso raramente si sente che.
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During the period studied, the mid-aughts, there were 615 arrests for such offenses.
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Pick any year since 1776 and there is a 91% chance that America was involved in a war during that year. adults are working in jobs that pay poverty-level wages.