Why the ocean matters covering 72 percent of the earth and supplying half its oxygen the ocean is our planet s life support system and it s in danger.
National geographic videos ocean floor.
Watch this video to learn why a healthier ocean means a healthier planet and find out how you can help.
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The ocean is a huge body of saltwater that covers about 71 percent of the earth s surface.
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Arctic ocean blockbuster films and extensive news coverage of rare attacks often portray sharks as vengeful human eating beasts.
Amazing underwater marine life wildlife documentary animals documentary documentaries docu.
Dolphins are born tail first.
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The planet has one global ocean though oceanographers and the nations of the world have divided it into distinct geographic regions.
However the data and conservation efforts show that sharks.
Our ocean conference with secretary of state john kerry.
This creepy worm pulls its prey deep under the ocean floor national geographic.
In recent years some oceanographers have determined that the seas around antarctica deserve their own designation.