×
Log in
Get Started
Travel
Technology
Sports
Marketing
Education
Career
Social Media
+ Explore all categories
Report -
1 Theoreticalintroduction(1 ... · 13.8bnyrsago matter! biological 3.8bnyrsago +function! social 150myrsago(?) +value! semiotic +meaning expression content I:protolanguage 60–6myrsago(?)!
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Please pass captcha verification before submit form