Question

Why does the moon have different phases

A. The moon’s changing position in relation to earth and the sun
B. Earth’s shadow being cast on the moon
C. Sunlight reflecting off Earth and hitting the moon
D. Changes in the amount of sunlight hitting the moon

Answer 1

A. The moon’s changing position in relation to earth and the sun

The light that you see is the sun shining through the moon, and the shadow changes depending on the angle.