If the Temperature of the Bubble Described in Problem T7T $320 \mathrm{~K}$

Multiple Choice

If the temperature of the bubble described in problem T7T. 8 was $320 \mathrm{~K}$ when it formed, what is its approximate final temperature when it reaches the surface?

A) $40 \mathrm{~K}$
B) $80 \mathrm{~K}$
C) $320 \mathrm{~K}$
D) $1280 \mathrm{~K}$
E) $2560 \mathrm{~K}$
F) Other (specify)