The moon appears half lit, half dark from the surface of Earth on two days each month. What causes this? (1 point) Responses Half of the moon is totally eclipsed. Half of the moon is totally eclipsed. Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective. Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective. Earth’s shadow is blocking the light from the sun. Earth’s shadow is blocking the light from the sun. It is a partial lunar eclipse.

Answer 1

The correct response is: Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective.

This occurs during the first and last quarters of the lunar cycle when the moon is at a 90-degree angle relative to the Earth and sun, allowing us to see half of the sunlit side of the moon.