1. If you are underwater and let out a small bubble of air, what happens to the pressure on the bubble as it rises to the surface? a) It decreases b) It increases c) It doesn't change2. Assuming the temperature doesn't change during this rise, what then happens to its volume? a) It decreases b) It increases c) It doesn't changeFor a hydraulic system, which of the following would be a force multiplier? a) Input Area: 100cm2, Output Area: 0.1m2 b) Input Area: 0.002m2, Output Area: 10cm2 Input Area: 0.031712, Output Area: 40067112 Input Area: 5000cm2, Output Area: 0.06m2