Multiple Choice
About 12,000 years ago,what environmental changes created a shift in food production?
A) The climate of the north grew colder
B) Tundras and the large herd animals that they supported spread throughout the Old World
C) Glaciers melted and the sea levels rose
D) Deserts replaced forests
E) The fish disappeared from the ocean
Correct Answer:

Verified
Correct Answer:
Verified
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