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
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
Fochaian Fochaian
wrote...
Go to Answer
Posts: 3160
Rep: 17 0
8 years ago
The Precambrian basement rocks of Ohio became part of the North American continent
A) about 1.1 billion years ago.
B) more than 2.5 billion years ago.
C) 1.8 to 1.9 billion years ago.
D) 1.9 billion years ago.
E) 1.7 to 1.8 billion years ago.
Textbook 
How Does Earth Work? Physical Geology and the Process of Science

How Does Earth Work? Physical Geology and the Process of Science


Edition: 2nd
Authors:
Read 120 times
2 Replies
Replies
Answer verified by a subject expert
GurshGursh
wrote...
#1
Top Poster
Posts: 1939
Rep: 36 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

Fochaian Author
wrote...
#2
7 years ago
Answered correctly, thx
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1259 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 276
  
 345
  
 266
Your Opinion
What's your favorite math subject?
Votes: 293
Previous poll results: Which of the following is the best resource to supplement your studies: