افغانستان اوچون آچیق و مجانی اورگتیش قایناقلر

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How Do We Measure Absolute Time?: Geologic Clocks

     
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 Glossary

This resource describes how radioactive dating, tree rings and varves are used to determine the time it has taken for the Earth to develop to its present state.


About this resource
Available in the following languages
Subject area
Geology
Resource level
Middle (7-8)
Resource type

Images and Illustrations

Learning Activities and Labs

یازوچی

یایین بیروچی

MJKrech

جواز/ دارنده حق چاپ

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