Zonation in the ocean, Biology

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Q. Zonation in the ocean?

The oceans play a major role in determining the climate and sustaining life on earth. Oceans help to redistribute the solar energy, through ocean currents and evaporation; they are huge reservoirs of carbon dioxide, oxygen and other minerals and help to regulate the ambient temperature and also help in maintaining atmospheric composition and serve as sources of various natural resources.

The world's seas and oceans are all inter -connected forming a World Ocean. The average depth of the ocean is 3.7 km. In some parts of the world the ocean is 11.5 km deep. Compare this with the height of Mount Everest that is 8848 m above sea level.


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