Test 1 - Early humans and the Neolithic Revolution

a. 5 million years old c. 5 billion years old b. 500 million years old d. 5 thousand years old 10. The hunter-gatherer way of life made it impossible for people to live . a. in groups. c. without a spoken language. b. in cold climates. d. in permanent dwellings. 11. The Neolithic Revolution refers to a time when early humans ................
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