the first feature that all civilizations have in common is that they all form around rivers
the first feature that all civilizations have in common is that they all form around rivers
they all have a nucleus
highly visable
they are slick slop and slimy
foot
They all breathe air.
they have either choclate,cream or milk in or on them.
Inca
None of the inner planets have rings.
culture
asymptote
the only feature they all have in common that i know of is that their eyes are always on the front of their head