Answer:
The answer is A. O2
Step-by-step explanation:
Photosynthesis is the conversion of inorganic matter to organic matter thanks to the energy provided by light since light energy is transformed into chemical energy for the plant. Photosynthesis serves to feed the plant and the production of organic matter, thanks to this process the plants renew the air. In this process, plants enable us (human beings) with oxygen and eliminate carbon dioxide, due to plants absorb the carbon dioxide we exhale and produce more oxygen.