Respuesta :

“Waxing" is the term used to describe the moon when it is growing toward a full moon. As the earth moves into this new position, the light from the sun begins to illuminate the side of the moon which can be seen from the earth, causing a crescent and eventually a half or first-quarter moon.

Answer: The rotation of the moon around the earth

Explanation: The phases of the moon depend on the moon's position compared to the earth and the sun. Remember that the moon revolves around the earth. As the moon goes around the earth, half of the moon is always illuminated by the sun. Meanwhile the other half of the moon is always in darkness.Some times we see the parts being illuminated and sometimes we do not