Question

which of these shows the correct positions of the sun, the moon, and the earth when there is a full moon?

Explanation:

A full moon occurs when the Earth is positioned directly between the Sun and the Moon. This alignment means the side of the Moon facing Earth is fully illuminated by the Sun. Looking at the options, the second diagram has Earth (E) between the Sun and Moon (M), matching this requirement.

Answer:

The second diagram (with Earth between the Sun and Moon, Moon positioned opposite the Sun relative to Earth)