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Do we really know where the Ocean is?

Believe it or not, scientists still can’t agree on where the continent ends, and the ocean begins. On the Atlantic coastlines of North and South America, or the western coasts of Europe and Africa, for example, we don’t know exactly where the real oceanic sea floor starts. I know, you may think, “who cares?”, but the location of the divide between continental crust and oceanic crust might determine whether they build an oil rig in front of your favourite beach in Portugal, can affect the rights of countries over the sea, and has an interesting scientific side, too.

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