Oceans contribute to more than 50 per cent of oxygen content in the atmosphere.
Abstract: Oceans play a major role in the hydrological cycle, moderate the climate and act as the primary sink for carbon dioxide. The complex bathymetry of ocean beds, with long mountain ranges, mounds, volcanic craters and marine sediments, have been revealed by deep sea exploration.
The author is Former Director, NCAOR, Goa. rasikravindra@gmail.com
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