We see the bright light of the Moon at night, but the Moon has no
light of its own. We only see it because of the light from the Sun.
Sunlight bounces off the Moon and back to us on Earth.
The Moon seems to change shape, but it really does not. It looks that
way because of how the sunlight hits it. The Moon orbits the Earth.
That is, it goes around the Earth. At the same time, the Earth orbits
or goes around the Sun.
The Moon and Earth are always moving. For this reason, sunlight hits
the Moon in different ways. That is why the Moon looks different
every night.
Which sentence explains how we can see the Moon at night?
A That is why the Moon looks different every night.
B Sunlight bounces off the Moon and back to us on Earth.
C The Moon seems to change shape, but it really does not