Prehistory and Early Human Migration Answers

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A major cause of the agricultural revolution was the .

A
decline of rainfall around the world
B
increase in rainfall around the world
C
warming of the Earth after the Ice Age
D
cooling of the Earth during the Ice Age
3

A major effect of the agricultural revolution was .

A
a less reliable food supply
B
the creation of a food surplus
C
a decline in the number of people farming
6

Different plants were domesticated to grow crops .

A
everywhere except the Americas
B
only in the Fertile Crescent
C
in many parts of the world

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