× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
j
3
s
3
j
2
J
2
e
2
n
2
t
2
d
2
b
2
t
2
J
2
b
2
New Topic  
Lmac200 Lmac200
wrote...
Posts: 555
Rep: 2 0
6 years ago
The Great Ice Age accounted for the origins of North America's human history because
 
  a. it exposed a land bridge connecting Eurasia with North America.
  b. the glacial withdrawal allowed migration from South America.
  c. the glacial withdrawal formed freshwater lakes that supported life.
  d. when it ended, European migration to the west became possible.
  e. it prevented the migration of dangerous animals from the Bering isthmus.
Read 77 times
1 Reply
Replies
Answer verified by a subject expert
lila2016lila2016
wrote...
Posts: 372
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Lmac200 Author
wrote...

6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
wrote...

Yesterday
this is exactly what I needed
wrote...

2 hours ago
Smart ... Thanks!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  769 People Browsing
Related Images
  
 895
  
 2682
  
 290
Your Opinion
What's your favorite funny biology word?
Votes: 401