ocean
The ocean is the general term for "sea" and "ocean". 71% of the Earth's area is covered by the ocean. The total area is about 355.55 million square kilometers. In general, these people account for a large area of the waters of the salt water called the "ocean", the continental margin of the waters known as the "sea". A few of the stars outside the earth have also had oceans, some have ocean or ice, such as satellite Titan, Europa, some planets such as Mars, Venus may have had ocean or mortar ocean. ...