天主教信仰熱線問答版 問題 1: What is the capital of France? Submit My Answer 你的回答: 參考回答: Paris Paris has been the capital of France since 987 AD and is famous for the Eiffel Tower, Louvre Museum, and Seine River. Reset This Question Question 2: What gas do plants use for photosynthesis? Submit My Answer Your Answer: Reference Answer: Carbon dioxide (CO₂) Plants take in CO₂ and release oxygen during photosynthesis using sunlight, water, and chlorophyll. Reset This Question Question 3: Name the largest ocean on Earth. Submit My Answer Your Answer: Reference Answer: Pacific Ocean It covers about 63 million square miles and contains the Mariana Trench — the deepest point on Earth. Reset This Question