Top Posters
Since Sunday
T
3
s
3
o
3
G
3
k
3
C
3
a
3
K
3
f
3
j
3
b
3
c
3
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
adreamer adreamer
wrote...
Go to Answer
Posts: 891
Rep: 0 0
6 years ago
The number of impact craters on the slopes of Tharsis volcanoes suggests that they have been inactive
A) since Mars formed 4.6 billion years ago
B) for at least a billion years
C) for at least tens of millions of years
D) only for the last few hundred years
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 66 times
1 Reply
Replies
Answer verified by a subject expert
DonskoyDonskoy
wrote...
#1
Top Poster
Posts: 582
Rep: 11 0
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
Brilliant ツ
Harvinder
wrote...

Yesterday
This helped my grade so much Perfect
tcat
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  872 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 367
  
 829
  
 164
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436
Previous poll results: Which of the following is the best resource to supplement your studies: