The basis for defining the length of a day is the fact that
A)Earth rotates east to west.
B)Earth does not rotate; rather,it revolves.
C)Earth rotates on its axis in 24 hours; i.e.,it rotates 15° of longitude per hour.
D)Earth moves through 365.25 days a year in its orbit about the Sun.

Question

Quizplus · Accepted Answer

The length of a day is defined as the time it takes for Earth to complete one rotation on its axis, which is approximately 24 hours. This is based on the fact that Earth rotates on its axis in 24 hours, or 15 degrees of longitude per hour.

The Basis for Defining the Length of a Day Is