Its leaves take water from the roots, carbon dioxide from the air, and energy from the sun to manufacture sugars and give off oxygen ​ — a process called photosynthesis that involves some 70 chemical reactions, not all of which are understood.
इस प्रक्रिया में कुछ ७० रसायनिक अभिक्रियाएँ शामिल हैं, जिन में से सबके बारे में हमें समझ प्राप्त नहीं है ।