Which of the following correctly describes the heat transfer that takes place in a simple ice-box?
a. There is a net loss of heat from the system, as the air cools
b. Air gives up sensible heat; ice does not gain any heat
c. Air gives up sensible heat; ice gains sensible heat
d. Air gives up sensible heat; ice gains latent heat of fusion
e. Air gives up latent heat; ice gains latent heat of condensation
Answer: d