Question

problem 35
the slow tipping of the earths axis in a circle with a period of about 26,000 years is called
retrograde motion. precession. deferential motion. ecliptic motion. revolution.
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Explanation:

Precession is the slow - circular movement of the Earth's axis with a period of about 26,000 years. Retrograde motion is the apparent backward motion of a planet. Ecliptic motion is related to the Sun's path. Revolution is the Earth's orbit around the Sun. Deferential motion is not related to the Earth's axis tipping.

Answer:

precession.