Perhaps some of us, there are not few people who wonder where the living coral? coral divided into two categories, a kind of live in the sunlit zones and a kind of living in the dark zones. corals live in the sunlit zones are called warm corals and coral life in the dark zones are called cool corals. Coral is also very helpful in many fields such as medicine, science and the environment
đang được dịch, vui lòng đợi..
