How do photosynthesis and cellular respiration affect the CO2 and O2 in our atmosphere?

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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