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Examveda

The variation in the duration of the day and the night is due to earth's

A. rotation on its axis

B. revolution around the sun

C. inclination of an angle of 601/2 degrees

D. both (a) and (b)

Answer: Option D

Solution(By Examveda Team)

both (a) and (b)

This Question Belongs to General Knowledge >> World Geography

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