Define photosynthesis​

the process by which green plants turn carbon dioxide and water into food using energy from sunlight.सूर्यप्रकाशातील ऊर्जेचा वापर करून कर्बद्विप्राणिल आणि पाणी यांचे अन्नामधे रूपांतर करण्याची वनस्पतींमधील प्रक्रिया; प्रकाशसंश्लेषण, प्रकाशकृत समन्वय.

Explanation:

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.