The geographic term “Asia” was originally used by ancient Greeks to describe the civilizations east of their empire. Ancient Asian peoples, however, saw themselves as a varied and diverse mix of cultures—not a collective group. Today, the term “Asia” is used as a cultural concept, while subregion classifications describe the distinct geopolitical identities of the continent. These classifications are Western Asia, Central Asia, Southern Asia, Eastern Asia, Southeastern Asia, and Northern Asia.
Answer:
physically, our fingerprints make us all unqiue. We also all think different and no two of us look exactly the same
The polar ice capes, the change in genetics of certain animal fossils (growing more or less hair, etc. etc.)
Because of the crazy large population.
