Started an argument with my much smarter wife because she said North and South America are not two separate continents. She was right, because continents are only defined by convention.

  • Gladaed@feddit.org
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    15 days ago

    There is a useful way to do it: By looking at Tectonic Plates and their boundaries.

    • Denvil@lemmy.one
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      15 days ago

      According to the image on Wikipedia depicting the plates, there would then be 17 continents, although some of those 17 would be entirely ocean, or only small islands

        • rockerface 🇺🇦@lemm.ee
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          15 days ago

          Lots of island chains are actually mountain chains partially hidden underwater. And mountain chains usually appear where two tectonic plates ram into one another, causing one of them to bunch up.