An Air Bubble 20 M Below the Surface of a Lake

An air bubble 20 m below the surface of a lake has a volume of 0.02 m³.The bubble then rises to the surface.Assuming the temperature of the lake is uniform,what is the volume of the bubble just before it breaks through the surface?

A) 0.02 m³
B) 0.04 m³
C) 0.06 m³
D) 0.08 m³
E) 0.10 m³