When did the neolithic revolution begin?
a. about 9500
b. c. e.
b. about 50,000
b. c. e.
c. about 2000
b. c. e.
d. about 100,000
b. c. e.

answer: 1

explanation:

im pretty sure

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

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