A student observes a simple water filter constructed by arranging diffrent Earths materials of varying sizes, As shown in the image shows, the student realizes that this model can be used to represent the different layers of the atmosphere and Records the corresponding layers in a table. which statement accurately use the model to describe the atmosphere.

A. the air pressure of a charcoal layer will be lower than the gravel layer
B. the air pressure from the fine sand layer will be higher than any of the other layers
C. the air pressure of the course and layer will be higher than a charcoal layer
D. the air pressure of the layers will increase constantly from the fine sand to the gravel layer