stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Early River Valley Civilizations Review Flashcards | StudBud
Early River Valley Civilizations Review
1 / 16
It is believed that people migrated to North America when
A
a land bridge formed between the two continents
B
the glaciers melted
C
The deserts disappeared
D
The Bering Strait was flooded
Next
0
0
correct · 0:00
