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Oxygen is formed from carbon dioxide in (1), while carbon dioxide is formed from oxygen in (2). A (1) photosynthesis, (2) cellular respiration B(1) cellular respiration, (2) photosynthesis C (1) fermentation, (2) anaerobic respiration D(1) aerobic respiration, (2) photosynthesis
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Oxygen is formed from carbon dioxide in (1), while carbon dioxide is formed from oxygen in (2). A (1...
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