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