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Biology, 19.03.2020 20:57 LanaParrilla

Which gas did volcanoes not produce in the Precambrian era?
A. Oxygen
B. Carbon dioxde
C. Sulfur
D. Water vapor

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Answers: 2

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Which gas did volcanoes not produce in the Precambrian era?
A. Oxygen
B. Carbon dioxde
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