The phases of the moon are partially the result of the____________?
A. Changes in the shape of the moon
B. Revolution of the moon around the earth
C. Variations in the moon’s gravitation
D. Variations in the speed of rotation of the moon
The phases of the moon are partially the result of the____________?
A. Changes in the shape of the moon
B. Revolution of the moon around the earth
C. Variations in the moon’s gravitation
D. Variations in the speed of rotation of the moon