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.

    • rockerface 🇺🇦@lemm.ee
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      5 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.