Ocean on the beach Saline water covers approximately 360,000,000 km2 (140,000,000 sq mi) and is customarily divided into several principal oceans and smaller seas, with the ocean covering approximately 71% of Earth's surface and 90% of the Earth's biosphere. Journal · 10 · 01+♥ 130 Last update at 01 · 10 · by milo ‧‧‧ One of 7755Ocean More in Ocean Home Ocean on the beach PIFTW