A diver 60 m deep in 10 degrees Celsius fresh water exhales a 1.0 cm diameter bubble.

A diver 60 m deep in 10 degrees Celsius fresh water exhales a 1.0 cm diameter bubble.What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celsius? Assume that the air bubble is always in thermal equilibrium with the surrounding water.