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Why Is the Ocean Salty?
How is it that we didn't know why the ocean was salty until 1979? National Geographic Explorer-in-Residence Bob Ballard explains why such a basic question remained a mystery for so long—and where his team finally found the answer.
Please open the link to know
http://video.nationalgeographic.com...x-campfire-stories-ballard-salty?sf12583598=1
How is it that we didn't know why the ocean was salty until 1979? National Geographic Explorer-in-Residence Bob Ballard explains why such a basic question remained a mystery for so long—and where his team finally found the answer.
Please open the link to know
http://video.nationalgeographic.com...x-campfire-stories-ballard-salty?sf12583598=1
