Q: You are presented with the quiz "When does water freeze into ice?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when water freezes , that water expands" and "upon further cooling to 32 degrees Fahrenheit, water expands as it turns to ice". So, what's the best answer to the question?

pick from the following.
a). colder weather;
b). Under 32 degrees;
c). Physical weathering;
d). evaporation;
e). vaporization;
f). Never;
g). Only at 32 degrees;
h). Over 32 degrees;
A:
b).