Top Posters
Since Sunday
e
5
R
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
New Topic  
arealhero arealhero
wrote...
Posts: 7874
9 years ago
The initial accumulation of oxygen in the atmosphere was the result of photosynthesis from an organism most like modern
a. cyanobacteria.
b. algae.
c. mosses.
d. kelp.
e. eukaryotes.
Read 227 times
3 Replies
Replies
Answer accepted by topic starter
milestone23milestone23
wrote...
Top Poster
Posts: 9919
9 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Retired master

Related Topics

arealhero Author
wrote...
9 years ago
This is perfect, thank you for the answer.
wrote...
9 years ago
Great!
Retired master
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  949 People Browsing
Related Images
  
 261
  
 31405
  
 241