context: Some people think that trees take carbon dioxide and release oxygen only, and this is a false belief. Trees and (bats in general) take [[carbon dioxide}} and put (oxygen) day and night and at the same time do the construction Photosynthesis. Since photosynthesis is faster than breathing, the net result for the gases exchanged is taking carbon dioxide and subtracting oxygen:
question: When does the plant extract oxygen?
answers.text: day and night