Which Response Contains All of the Following That Are Physical

Which response contains all of the following that are physical changes and no chemical changes?
I. Candle wax melts.
II. Skin turns yellow when it comes in contact with nitric acid.
III. Milk curdles.
IV. Ice floats on water.
V. Windows fog when the temperature drops rapidly.

A) II and IV
B) I, III, and V
C) II and III
D) I, IV, and V