asked 41.7k views
1 vote
In the carbon-oxygen cycle, carbon dioxide is used for _____ and oxygen is used for _____.

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

2 Answers

3 votes
The correct answer from the choices presented above is the one from the third option. In the carbon-oxygen cycle, carbon dioxide is used for photosynthesis especially for plants and oxygen is used for respiration by humans and animals.
answered
User Vicky T
by
7.6k points
6 votes
a.respiration, photosynthesis
answered
User Flauntster
by
8.1k points
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