Answer:
ohh god how u dont know u write this is your own marks of duhh..?
Explanation:
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I would pick D as the answer
Last one I believe is the correct answer :)
Photosynthesis produces oxygen and glucose mainly. The oxygen gets released into the air, because oxygen to plants is like carbon dioxide to us. It doesnt harm them, but they cant use it. The glucose ends up either being used by the plant or stored somewhere within the plant to be used later.