Oceans

The hydrosphere is the total mass of water on the surface of Earth. About 97 per cent of the water is in the ocean; 3 per cent is in streams, lakes, ground-water, and glaciers. Approximately 70.8 per cent of the Earth is covered with water and 29.2 per cent is land area. Thus, it is for the good reason the Earth has been called ‘the water planet’.

There are five principal oceans in the world which are separated largely on the basis of their geographical locations.

Major Oceans

1.The Pacific Ocean

    • It is the largest and deepest covering one third of ....

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