Epipelagic Zone The surface layer of the ocean is known as the epipelagic zone and extends from the surface to 200 meters (656 feet). It is also known as the sunlight zone because this is where most of the visible light exists.
What island nation located in the central tropical Pacific Ocean, comprising 32 atolls and one raised coral island, dispersed over 3,500,000 square kilometres, (1,351,000 square miles) was formerly called the Gilbert Islands?
