Question 9 2 pts
As an airplane rises through the atmosphere, machines cause the pressure inside the cabin to
decrease. Based on your observations from the Can Crush Lab, why is this change in pressure
necessary? (2 points)
Air pressure inside the plane should match the air pressure outside the plane.
Air pressure inside the plane should be less than the air pressure outside the plane.
Air pressure outside the plane should be less than the air pressure inside the plane.
Air pressure outside the plane should be more than the air pressure inside the plane.
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