Fill in the Blank Question To an observer on Earth, the Sun and the Moon appear to rise in the square cross the sky, and then set in the square Need help? Review these concept resources. Read About the Concept

The question is asking for the directions in which the Sun and the Moon appear to rise and set from an observer's perspective on Earth. The Sun and the Moon both appear to rise in the east and set in the west. This is due to the rotation of the Earth on its axis, which makes it seem as though the Sun and the Moon are moving across the sky. This phenomenon is known as the apparent motion of the Sun and the Moon.