(a(i))[2]
Use the table data to suggest how pressure and volume are related in this experiment. Explain how you reach your conclusion.
(a(ii))[1]
State the property of the gas, other than the mass, that stays constant throughout the experiment.
(b(i))[2]
Calculate the pressure at the bottom of the lake caused by this depth of water.
(b(ii))[2]
In each row of the table, place one tick to show what happens to the volume, the mass and the density of the gas in the bubble.