11 Facts About Sea

Sea, connected as the world ocean or simply the ocean, is the body of salty water that covers approximately 71 percent of the Earth's surface.

Sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans.

However, the Sargasso Sea has no coastline and lies within a circular current, the North Atlantic Gyre.

Sea temperature depends on the amount of solar radiation falling on its surface.

Sea plays a part in the water or hydrological cycle, in which water evaporates from the ocean, travels through the atmosphere as vapour, condenses, falls as rain or snow, thereby sustaining life on land, and largely returns to the sea.

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Sea made landfall instead on an island in the Caribbean Sea and a few years later, the Venetian navigator John Cabot reached Newfoundland.

Sea bathing became the vogue in Europe in the 18th century after Dr William Buchan advocated the practice for health reasons.

Sea offers a very large supply of energy carried by ocean waves, tides, salinity differences, and ocean temperature differences which can be harnessed to generate electricity.

Some Sea Gypsies are accomplished free-divers, able to descend to depths of 30 metres, though many are adopting a more settled, land-based way of life.

Sea appears in human culture in contradictory ways, as both powerful but serene and as beautiful but dangerous.

The Irish Sea was contaminated by radioactive caesium-137 from the former Sellafield nuclear fuel processing plant and nuclear accidents may cause radioactive material to seep into the sea, as did the disaster at the Fukushima Daiichi Nuclear Power Plant in 2011.