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Anonymous
>>111571 Why hello Mr. Dumbass. Yes plants produce oxygen, but that's during the DAYTIME during PHOTOSYNTHESIS (say it with me now, photo-syn-the-sis in the day-time).
During the NIGHTTIME when there is no light, they go through what is called RESPIRATION (come on, "res-pir-a-tion". Good, there you go.)
During respiration, they oxidize substrates to produce ATP (energy). This makes them take O2 in, and EMIT CO2.
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