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Cyanobacteria are most responsible for... A) creating multicellular organisms B) oxygenating the Earth C) creating archea D) creating carbon dioxide
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Cyanobacteria are most responsible for...

A) creating multicellular organisms
B) oxygenating the Earth
C) creating archea
D) creating carbon dioxide

User Pkavanagh
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1 Answer

3 votes

Awnser b is the right one because they produce oxygen

User Lucas Caton
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