Before cyanobacteria appeared, Earth’s atmosphere

1. Select the 2 correct statements that describe cyanobacteria.A. Cyanobacteria lived in the ocean B. Cyanobacteria decreased
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2. asked by Jsh7sbna
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Select the 2 correct statements that describe cyanobacteriaA. Cyanobacteria decreased the levels of oxygen in the atmosphere B.
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2. asked by Nowhen
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Select the 2 correct statements that describe cyanobacteria.(1 point)Responses Cyanobacteria decreased the levels of oxygen in
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Why are cyanobacteria important to early Earth?Cyanobacteria produced iron in Earth’s crust. Cyanobacteria stopped the
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Before cyanobacteria appeared, Earth’s atmosphere was composed of water vapor, carbon dioxide, nitrogen and other gases. Where
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Which caused early evolution of Earth's atmosphere?(1 point)Responses Cyanobacteria and prokaryotes gave off carbon dioxide and
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cyanobacteria,wich first appeared on earth over 3 billion yaers ago are?a.austrolopithecines b.prokaryotes c.one of the
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2. asked by gabie
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Select the 2 correct statements that describe cyanobacteria.(1 point)Responses Cyanobacteria decreased the levels of oxygen in
1. 1 answer
2. 7 views
Select the 2 correct statements that describe cyanobacteria.(1 point)Responses Cyanobacteria decreased the levels of oxygen in
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2. asked by Anonomuysasd
3. 113 views
Which caused early evolution of Earth's atmosphere?(1 point)Responses Cyanobacteria and prokaryotes gave off carbon dioxide and
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2. asked by queen
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