Title: The Geologic Time Scale divisions are based on ________. Post by: MrDereche on Nov 20, 2014 The Geologic Time Scale divisions are based on ________.
A) major extinction of flora and fauna B) equal divisions of 1 million (era), 50,000 (period), and 5,000 (epoch) intervals C) major climatic shifts D) none of the above Title: Re: The Geologic Time Scale divisions are based on ________. Post by: milestone23 on Nov 30, 2014 Content hidden
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