Top Posters
Since Sunday
w
3
w
3
e
3
3
r
3
b
2
M
2
V
2
f
2
c
2
c
2
K
2
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
adreamer adreamer
wrote...
Go to Answer
Posts: 891
Rep: 0 0
7 years ago
Why is the claim of the discovery of microfossils controversial?
A) they are found in rocks from the Hadean Eon
B) it is not clear whether they are of biological or mineral origin
C) the rocks they are found in are probably contaminated by terrestrial bacteria
D) they are too small to be of biological origin
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 79 times
2 Replies
Replies
Answer verified by a subject expert
DonskoyDonskoy
wrote...
#1
Top Poster
Posts: 582
Rep: 11 0
7 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...
#2
6 years ago
Thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  553 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 302
  
 1776
  
 1127
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 824
Previous poll results: What's your favorite funny biology word?