Altitude And Middle Ear Air Pressure
Which of the following best explains why a person's ears pop when riding a roller coaster?
A
Changes in altitude on a roller coaster have no measurable effect on the air pressure in the middle ear.
B
The increase in altitude causes the external air pressure to increase relative to the pressure in the middle ear.
C
The altitude of the roller coaster causes the external air pressure to equalize with the pressure in the middle ear.
D
The increase in altitude causes the external air pressure to decrease relative to the pressure in the middle ear.
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