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Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced what type of formations? A)the ionosphere B)the ozone layer C)banded iron formations D)stromatolites
Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced Banded iron formations.
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Asked 2/22/2012 12:08:58 PM
Updated 3/27/2016 7:30:18 PM
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Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced Banded iron formations.
Added 3/27/2016 7:30:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [3/27/2016 7:30:58 PM]
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