asked 123k views
3 votes
In the carbon-oxygen cycle, carbon dioxide is used for _____ and oxygen is used for _____.

respiration, photosynthesis
ozone, respiration
photosynthesis, respiration
evaporation, condensation

asked
User XSkrappy
by
8.5k points

1 Answer

4 votes
photosynthesis, respiration
answered
User Vidyut
by
7.9k points
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