The temperature below freezing point and the duration of freezing are the factors that determine ______
A. Width of frost action
B. Speed of frost action
C. Depth of frost action
D. Intensity of frost action
Answer:C
The temperature below freezing point and the duration of freezing are the factors that determine ______
A. Width of frost action B. Speed of frost action C. Depth of frost action D. Intensity of frost action