HELP ME OMG ITS DUE IN 20 MINS Earth-Sun-Moon System

Earth and the moon have specific patterns of movement in the solar system. Scientists often use diagrams to help demonstrate the movements of Earth and the moon. The diagram helps show these movements.

Write your answer to the following prompt within the space provided. Be sure to answer both parts.

Prompt:

Stars move in predictable patterns in the night sky.

Part A. Describe how the stars visible to an observer on Earth change over the course of a year.

Part B. Explain how this pattern is caused by the orbit of Earth around the sun.