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13 Cards in this Set
- Front
- Back
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the ice age began how many years ago and ended how many years ago? |
100,00 & 12,000 |
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ocean water freezes into ? lowering sea level? |
glaziers |
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the ice age and the glaziers exposed land in the Bering sea between? |
siberia & alaska |
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what is the land bridge called? |
Beringia |
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the first people to cross the land bridge and get to america was how many years ago? |
30,000 |
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what is the definition of nomad? |
the first americans who move from place to place |
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the nomads mainly ate? |
gathered berries & hunted fish |
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the nomads began to spread about the continet and moved? |
south |
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about 9,000 years ago people in mexico began? |
farming |
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in mexico they raised? |
maize, peppers, and beans |
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the increased amounts of food helped mexico settle into? |
villages |
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? helped them concentrate on other activities besides searching for food? |
agriculture |
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communities in mexico developed? |
governments, religions, and art |
