Artificial refrigeration involves all of the following processes EXCEPT . A. the pumping of water vapor through a pipe B. the rapid expansion of certain gases C. the evaporation of a vol
Artificial refrigeration involves all of the following processes EXCEPT .
A. the pumping of water vapor through a pipe
B. the rapid expansion of certain gases
C. the evaporation of a volatile liquid
D. the transfer of heat from one place to another