How is Earth's magnetic field oriented?
A) almost parallel to the rotation axis
B) almost parallel to the equator
C) almost perpendicular to the rotation axis
D) almost perpendicular to the equator
Question 2
In most cases, the distance between the seismically slow upwelling zone and the closest downwelling zone is
A) much greater than the thickness of the convecting mass.
B) much less than the thickness of the convecting mass.
C) about the same as the thickness of the convecting mass.
D) about the same as the thickness of the mantle.
Taken by Hinode's Solar Optical Telescope on January 12, 2007, this image of the Sun reveals th
Earth with Rings
Views of Earth’s Surface
Rotation sites for administering insulin.
Ocean cover most of Earth’s surface
To rotate a matrix along the x-axis