During which phase is the moon not visible? A. full moon
B. waxing crescent
C. new moon
D. first quarter​

new moon phase

Explanation:

During the new moon phase, the moon is not visible. Sometimes it can be detected by noting the visible absence of the stars that it blocks. Additionally, during new moon, sometimes enough light is reflected off the surface of the Earth that the disk of the moon is faintly visible.

Everyone knows new moon is NOT visible

Explanation:

If you're doing an assignment of the moons, I hope this helps.

And there you have it! :]

Also, a new moon is the only phase that is not visible, It's not even visible during the day time.

magnityde and direction

electrical power