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Title: How old is the Precambrian Crust? Post by: Fochaian on Apr 2, 2016 How old is the Precambrian Crust?
A) 500 million-1.5 billion years B) 0-500 million years C) 1 billion-4 billion years D) 500 million-1 billion years Title: Re: How old is the Precambrian Crust? Post by: Gursh on May 12, 2016 Content hidden
Title: Re: How old is the Precambrian Crust? Post by: Fochaian on May 18, 2016 Answered correctly, thx
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