How is pulling up on the flat rubber sheet on the table similar to pulling on the piston in the capped syringe? (Select all that apply.)

Question

-In both cases, there is an enclosed volume of air, and the volume increases slightly.
-In both cases, air is free to enter the enclosed volume, equalizing the pressure on all sides.
-In both cases, the pressure outside the enclosed volume is less than the pressure inside the enclosed volume.
-In both cases, the pressure of the enclosed volume of air decreases.

Answer 1

-In both cases, there is an enclosed volume of air, and the volume increases slightly.
-In both cases, the pressure outside the enclosed volume is less than the pressure inside the enclosed volume.