livvy14 livvy14

23-03-2015
Geography

Answered

Precession is the wobble of Earth’s axis in a complete circle, which takes 25,700 years to complete one circle. How much of that circle is completed in one Earth year?

a. 100%
b. 3%
c. 1.4%
d. 360%

Answer :

24-03-2015

The correct figure is not included in the list of choices.

1 circle / 25,700 years = 'x' of a circle / 1 year

x = 1 / 25,700 = 0.0039 percent of that circle in 1 Earth year.

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