Types of Language Change (University of Pennsylvania webpage) (pages 1-3)
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Human languages & historical linguistics assignment
1.Why is it impossible to reconstruct the first language, or even prove that there was one?
2.What is most different about human language from animal communication systems?
3.In what three places / times on Earth was writing invented independently?
4.What causes a language to die?
5.What can one learn about history and culture from loan words?
6.How many Native American languages and families once lived, and how many survive?
7.What makes the Khoi-San languages notably different from other languages around them?
8.How do languages change?
9.What is "Indo-European"?
10.How many features of language are there and what are they?
11.What are two reasons English has a relatively deep orthography?