Final answer:
The light blue color on the Air Force coat of arms represents the sky, and the white color represents purity.
Step-by-step explanation:
The student asked what the light blue and white colors represent on the Air Force coat of arms. The correct answer is A) The sky; purity. The top part of the shield is light blue, which represents the sky, signifying the Air Force's domain. The lower part of the shield is white, symbolizing purity and the Air Force's intent to maintain good intentions with integrity and moral conduct.