It is not an old myth that by counting the rings in the cross-section of a tree you can tell how old it is.Scientists can take very accurate readings using this method, often to the exact calendar year.Many scientists prefer the term calendar dating, as it implies that ages determined can be plotted on a calendar.There are many different types of absolute age dating methods because many different types of materials exist.
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Imagine it this way: If you have any siblings, using relative age dating would be like saying, 'I am older than my brother but younger than my sister,' but using absolute age dating would be like saying, 'I am 23 years old.' Since scientists work with many different types of Earth materials (rock, fossils, etc.), there are many types of absolute age dating.This method is a bit vague, which is why modern scientists have developed many methods by which to determine the absolute age of Earth materials.
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