The ocean is vast and on average about 4,000 metres deep. It contains 1.3 billion cubic kilometres of water – that’s 97% of all the water on the surface of the Earth. [1] Home to over 240,000 known ...

So take care of me, please, because I'm your home. Here are some more facts about oceans in these BBC Bitesize and BBC Teach guides. Learn how big the oceans are and where they are located with ...

Oceans cover two-thirds of the surface of our planet. The seas, which are vital to survival, have remained an enduring part of our human story. We are here to understand the Earth's oceans and put ...

India possesses a glorious maritime heritage that spans over five millennia. The seas, on the three sides of India, have ...