Top Posters
Since Sunday
e
4
h
4
h
4
m
3
d
3
B
3
o
3
w
3
H
3
a
3
c
3
k
3
New Topic  
killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
Recent evidence suggests that Mars once had a global magnetic field. Assuming this is true, which of the following could explain why Mars today lacks a global magnetic field like that of Earth?
A) Mars's interior has cooled so much its molten core layer no longer undergoes convection.
B) Mars rotates much slower than the Earth.
C) The Martian core is made of rock, while Earth's core is made of metal.
D) Mars is too far from the Sun to have a global magnetic field.
Read 360 times
2 Replies
Smiling Face with Open Mouth
Replies
Answer accepted by topic starter
padrepadre
wrote...
Staff Member
Educator
Top Poster
Posts: 21610
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

killian Author
wrote...
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1270 People Browsing
 242 Signed Up Today
Related Images
  
 880
  
 525
  
 1071