[ekropotin]

Frankly, the model with the single America continent doesn’t make any sense, because south and north Americas are so different in both geographical and cultural/historical sense.

[singpolyma3]

Continents are about geology not culture

[Alupis]

Well, North and South America are two different tectonic plates[1].

[1] https://www.usgs.gov/media/images/tectonic-plates-earth

[wredcoll]

They really aren't, there's no objective way to divide the world into exactly 7 continents (or 6) using geology.

[nextaccountic]

America, Afro-Eurasia, Australia, Antarctica

I can count 4

[wredcoll]

Based on what?

[nextaccountic]

Based on being large landmasses

Potentially any island is a continent if your cutoff is low enough

[unmole]

Europe says hi.