What causes the phases of the moon as seen from earth?
a. light from the sun reflects off the moon as it orbits earth. hundreds of thousands of miles lie between the moon and earth.
b. earth’s shadow projects onto the moon.
c. earth spins on its axis relative to the moon.
d. earth has an atmosphere, and the moon doesn’t.

p. s, there isn't an option for physical science, but that's what subject this question is for!

What causes the phases of the Moon as seen from Earth?  

The correct answer is option A.

A. Light from the Sun reflects off the Moon as it orbits Earth. Hundreds of thousands of miles lie between the Moon and Earth.

Explanation:

The phases of the moon depends on its position with respect to the sun and the earth. When the moon revolves around the earth, we see the bright parts of the moon's surface at different angles. These are called phases of moon.

the answer to this question is a