Answer:
Chloroplast, structure within the cells of plants and green algae that is the site of photosynthesis, the process by which light energy is converted to chemical energy, resulting in the production of oxygen and energy-rich organic compounds
CO2 is returned to the atmosphere by all methods except photosynthesis.
Through photosynthesis, a plant actually takes CO2 from the atmosphere and produces oxygen in return.
A.Osmosis occurs through a semi permeable membrane. Diffusion occurs in permeable membrane.
