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Menacing Florida, Hurricane Ian nears catastrophic Category 5

Hurricane Ian intensified to just shy of catastrophic Category 5 strength Wednesday as its heavy winds began pummelling the US state of Florida, with forecasters warning of life-threatening storm surges after leaving millions ...

Ocean

An ocean (from Greek Ωκεανός, Okeanos (Oceanus)) is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas. More than half of this area is over 3,000 meters (9,800 ft) deep. Average oceanic salinity is around 35 parts per thousand (ppt) (3.5%), and nearly all seawater has a salinity in the range of 30 to 38 ppt.

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