The ocean produces 70 percent of the Earth's oxygen and drives our weather and the chemistry of the planet. Most of the creatures on Earth live in the sea. But our knowledge of the ocean is far outstripped by our impact on it. ➡ Subscribe: bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: bit.ly/NatGeoOfficialSite Facebook: bit.ly/FBNatGeo Twitter: bit.ly/NatGeoTwitter Instagram: bit.ly/NatGeoInsta Overview | Exploring Oceans youtu.be/3GRA7ilM708 National Geographic www.youtube.com/natgeo

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