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Title: Earth is approximately _______ years old. Post by: arealhero on Nov 21, 2014 Earth is approximately _______ years old.
a. 4–5 billion b. 4–5 trillion c. 4–5 million d. 6,000 e. 40–50 trillion Title: Re: Earth is approximately _______ years old. Post by: milestone23 on Nov 27, 2014 Content hidden
Title: Re: Earth is approximately _______ years old. Post by: arealhero on Nov 27, 2014 This is perfect, thank you for the answer.
Title: Re: Earth is approximately _______ years old. Post by: milestone23 on Nov 27, 2014 Great!
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