1
Farming led to ____________.
2
The first people left no _________________ to document their travels.
3
Parallel or competing theory to the land bridge theory.
4
Tern for the area of exposed land between Siberia and Alaska
5
Better agricultural practices led to _______________ growth.
6
Thick sheets of ice which covered much of the earth
7
Some people no longer had to follow their food thanks to ...
8
era which ended about 12,000 years ago with rising temperatures
9
People who move frequently to follow their food or herds.
10
... squash and beans were the primary crops of the first farmers
