Shoe and Tire Marks Impressed into Soft Earth Can Be

Multiple Choice

Shoe and tire marks impressed into soft earth can be best preserved by:

A) photographing and casting with dental stone.
B) photographing and then use of the electrostatic lifting technique.
C) casting with dental stone and then attempting the electrostatic lift technique.
D) It is not possible to accurately preserve such markings.
E) both A and B