About 12,000 years ago, what environmental changes created a shift in food production?
a. The climate of the north grew colder
b. Tundra 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
c
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Environmental degradation may contribute to the collapse of states
Indicate whether the statement is true or false.
The perpetuation of non-stop global tension and heightened threat of global warfare has been in effect since:
a. the Cold War. b. WWI. c. ?the Civil War. d. the Korean Conflict.
Please write 2-3 sentences identifying the person, place, or thing in terms of age, location, and significance.Cut marks
What will be an ideal response?
__________ is the primary determinant of skin color
a. Melanin b. Oxidized hemoglobin c. Dendron d. Keratin