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Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name (see: Borders of the oceans for details). Sea has several definitions: [a] A division of an ocean, delineated by landforms, [6] currents (e.g., Sargasso Sea), or specific latitude or longitude boundaries. This includes but is not ...
One of the most dramatic forms of weather occurs over the oceans: tropical cyclones (also called "typhoons" and "hurricanes" depending upon where the system forms). As the world's ocean is the principal component of Earth's hydrosphere, it is integral to life on Earth, forms part of the carbon cycle and water cycle, and – as a huge heat ...
The terminology of a "seven seas" with varying definitions was part of the vernacular of several peoples (as in the prior mentioned seas of Arabic literature), long before the oceans of the world became known (to those peoples). The term can now also be taken to refer to these seven oceanic bodies of water: [2] [3] [4] the Arctic Ocean
The world’s oceans have gone “crazy haywire,” according to a National Oceanic and Atmospheric Administration ... a major health threat. ... The agency’s updated bleaching alert system ...
The ocean covers 70 percent of our Earth. However, nearly 95 percent its waters remain unexplored and unseen by human eyes, according to the National Ocean Service.It is nearly impossible to map ...
Water is the medium of the oceans, the medium which carries all the substances and elements involved in the marine biogeochemical cycles. Water as found in nature almost always includes dissolved substances, so water has been described as the "universal solvent" for its ability to dissolve so many substances.
This is a list of countries ranked by the quality of healthcare, as published by the Organisation for Economic Co-operation and Development (). [1] The ranking takes into account various health outcomes, including survival rates for seven types of cancer, as well as for strokes and heart attacks.
The borders of the oceans are the limits of Earth's oceanic waters.The definition and number of oceans can vary depending on the adopted criteria. The principal divisions (in descending order of area) of the five oceans are the Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern (Antarctic) Ocean, and Arctic Ocean.