Question

the motion where the earths axis tilt traces a cone pattern once every 26,000 years is called rotation nutation precession revolution

Explanation:

Precession is the slow - conical motion of the Earth's axis, taking about 26,000 years to complete one cycle. Rotation is the spinning of the Earth on its axis, nutation is a small irregularity in the precession, and revolution is the Earth's orbit around the Sun.

Answer:

C. precession