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Title: How old are the lunar highlands? Post by: staedtler on Mar 17, 2017 How old are the lunar highlands?
A) 4.0 to 4.3 billion years old C) Less than 1 billion years old B) 3.1 to 3.8 billion years old D) 1.8 to 2.6 billion years old Title: Re: How old are the lunar highlands? Post by: discoverer on Mar 17, 2017 Content hidden
Title: Re: How old are the lunar highlands? Post by: staedtler on May 1, 2017 On behalf of my study group and I, thank you
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