What causes the precession of the Earth's rotation axis?
A)the force of gravity from the Sun and Moon on the Earth's equatorial bulge
B)the force of gravity from the Sun and Jupiter on the Earth-Moon system
C)the magnetic field of the Earth
D)the impacts of asteroids

Question

Quizplus · Accepted Answer

The force of gravity from the Sun and Moon on the Earth's equatorial bulge causes a torque on the Earth, which leads to a gradual shift in the orientation of its rotation axis. This is known as precession.

What Causes the Precession of the Earth's Rotation Axis