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Scientists can determine if oxygen existed in Earth's Archean atmosphere by A. determining the lack of oxidation that occurred. B. determining how many people survived. C. looking at the amount of salt content in rocks. D. looking for oxidized iron in rocks.
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Asked 12/14/2015 10:01:50 AM
Updated 12/14/2015 10:31:30 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [12/14/2015 10:31:28 AM], Confirmed by jeifunk [12/14/2015 10:31:30 AM]
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User: Scientists can determine if oxygen existed in Earth's Archean atmosphere by A. determining the lack of oxidation that occurred. B. determining how many people survived. C. looking at the amount of salt content in rocks. D. looking for oxidized iron in rocks.

Weegy: Scientists can determine if oxygen existed in Earth's Archean atmosphere by looking for oxidized iron in rocks.

angelrampel|Points 223|

User: What is the most abundant fossil fuel? A. Gas B. Coal C. Wood D. Oil

Question
Asked 12/14/2015 10:01:50 AM
Updated 12/14/2015 10:31:30 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [12/14/2015 10:31:28 AM], Confirmed by jeifunk [12/14/2015 10:31:30 AM]
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A rule of thumb is a principle with broad application that is not intended to be strictly accurate or reliable for every situation.
Added 12/9/2015 7:03:37 PM
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Confirmed by Andrew. [12/9/2015 10:10:03 PM]
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Updated 11/16/2016 11:47:33 PM
1 Answer/Comment
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