text: The "face" on the planet mars is considered a face because it looks like one. Humans can look like animals but they arn't, technically. The "face" is there becasu eof the mineral build up and the rocksa dn dust that have collected there becasue of the strong winds and the mild winds and just winds in gernal. as the mineral build up grew and the winds picked up the minerals and dust blew away and then went somewhe else.