answered question
Yes they do. Plant get CO2 during the day for food processing and give away O2, at night they give away CO2 that is why you cannot be with photosynthetic plant in the same room with closed air inlet you will die.
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Plant manufacture there own food through the process called photosynthesis Plants have there own row material for the process to take place The process takes place during the day because plant needs sun for it is the most important row material The other important material is chlorophyll, this is the green pigment in the leaf … Read more