What is the process of photosynthesis, and how does it contribute to the ecological balance of the planet? Your response should contain at least 150 words and at least 4 paragraphs. *** There should be 4 paragraphs. Paragraphs are separated with the markdown divider: *** *** Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. *** Include keywords *sunlight*, *carbon dioxide*, *water*, *oxygen*. *** At the end of your response, please explicitly add a postscript starting with *P.S.*

user