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What evidence BEST supports the presence of atmospheric oxygen 2.7 billion years ago? a. carbon 14 in plants b. fossils found in stomatolites c. layered iron rust in rocks
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What evidence BEST supports the presence of atmospheric oxygen 2.7 billion years ago? a. carbon 14 in plants b. fossils found in stomatolites c. layered iron rust in rocks
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Oct 15, 2022
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What evidence BEST supports the presence of atmospheric oxygen 2.7 billion years ago?
a. carbon 14 in plants
b. fossils found in stomatolites
c. layered iron rust in rocks
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Tomaz Fernandes
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Answer:c
Explanation:layered iron rust in rocks
Ddewaele
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Oct 19, 2022
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