6. Why did we begin writing? 7. Why do scientists think that early markings represent information rather than decoration?
8. When did early begins using symbols to represent words and concepts?
a. 8,000 years ago
b. 14 BC
c. 18,000 years ago
I
d. Scientists cannot determine an estimate
9. True or False: scientists do not know when early humans began speaking
10. Physically, how did our body's change as we developed language?

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