× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
j
4
m
4
n
3
m
3
R
3
V
3
e
3
w
3
j
3
a
3
a
3
h
3
Home Q & A Board Humanities History Archaeology
New Topic  
Dr.Vista Dr.Vista
wrote...
Go to Answer
Posts: 5237
Rep: 34 0
6 years ago
Footprints preserved in 3.6 million-year-old volcanic ash at Laetoli, Tanzania, indicate that
 
  A. some of our early ancestors may have worn crude sandals.
  B. A. africanus was on his/her way out of Africa.
  C. A. boisei and A. africanus both lived about 3.6 million years ago.
  D. A. afarensis was quadripedal.
  E. bipedalism definitely preceded marked brain expansion in human evolution.
Read 101 times
1 Reply
Replies
Answer verified by a subject expert
Ry60003333Ry60003333
wrote...
#1
Posts: 340
Rep: 25 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Dr.Vista Author
wrote...

6 years ago
This helped my grade so much Perfect
foxrcng11
wrote...

Yesterday
Thanks for your help!!
jodie1
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1009 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 106
  
 1028
  
 706
Your Opinion
Who will win the 2024 president election?
Votes: 19
Closes: November 4
Previous poll results: Who's your favorite biologist?