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OpenStudy (anonymous):
In the carbon-oxygen cycle, carbon dioxide is used for _____ and oxygen is used for _____. respiration, photosynthesis ozone, respiration photosynthesis, respiration evaporation, condensation
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OpenStudy (anonymous):
anyone help please..
OpenStudy (kosonge):
id say C because plants need the carbon to complete a cycle of photosynthesis and we need the oxygen so we would be bringing respiration to our lungs with the oxygen the plants provide. @pkyaw
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