× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
killak killak
wrote...
Posts: 331
Rep: 0 0
5 years ago
Studies indicate that prolonged periods when sunspots were absent (or nearly so) on the sun corresponded closely with warm periods in Europe and North America.
A) True
B) False
Textbook 
Essentials of Geology

Essentials of Geology


Edition: 12th
Authors:
Read 108 times
1 Reply
Education is the most powerful weapon which you can use to change the world.

Related Topics

Replies
wrote...
5 years ago
 B
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  898 People Browsing
 103 Signed Up Today
Related Images
  
 144
  
 78
  
 229
Your Opinion
What's your favorite coffee beverage?
Votes: 274

Previous poll results: What's your favorite math subject?