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Which of these statements is true about the oxygen revolution? . a. cyanobacteria
Which of these statements is true about the oxygen revolution? . a. cyanobacteria were the first organisms to introduce oxygen into the atmosphere.. b.protocells were the first organisms to produce oxygen in water, which then escaped into the atmosphere.. c.cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.
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D. The plastic bag
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