Question

why it is said that oxygen released by the plants during day time​

Answer 1

Answer:

because during daytime the stomata remains open

and at night time they get closed

Answer 2

Answer:

Plants photosynthesise during the day and because they are living organisms, they respire all the time. Oxygen is taken in during the night because photosynthesis has stopped and oxygen has to be supplied from the surroundings.

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i hope it helps uhh........