Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
adreamer adreamer
wrote...
Posts: 891
Rep: 0 0
6 years ago
For life to have existed continually on the Earth for the past 4 billion years, the oceans must have been
A) completely liquid for this entire time
B) frozen for most of this time
C) partially liquid for most of this time
D) partially frozen for most of this time
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 57 times
2 Replies
Replies
Answer verified by a subject expert
19Clyde19Clyde
wrote...
Top Poster
Posts: 584
6 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

adreamer Author
wrote...
6 years ago
Thanks!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1220 People Browsing
Related Images
  
 339
  
 180
  
 2168
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352