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Chemistry 12 Online
OpenStudy (anonymous):

I don't know what category to put this in, because there's no Earth Science category. So I'm putting it in Chem, and yes, I know this isn't a chem question. "Describe the different types of information that geologists used to develop the geologic time scale. " I can;'t find this information anywhere, no matter where I look. Any help is appreciated.

OpenStudy (aaronq):

ask in the bio section

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