A student draws a model of the sun layers. The student draws arrows to represent hot gas moving away from the center of the sun and other arrows to represent cool gas moving toward the center of the sun. Wich layer does the model show

Based on the description given, the student's model depicts the convection zone of the Sun. In the convection zone, hot gas rises from the inner layers of the Sun towards the surface, while cooler gas sinks back towards the center.