Rotation: Movement of the earth on its axis
Revolution: Movement of the earth around the sun in a fixed path or orbit; It takes 3651⁄4 days (one year) to revolve around the sun.
Due to the spherical shape of the earth, only half of it gets light from the sun at a time.
There are days and nights and changes in the seasons because of the rotation and revolution of the earth respectively.
DAYS & NIGHT = ROTATION
SEASONS = REVOLUTION
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