If they are alike in molecular structure. All of the above. The jigsaw fit of known and questioned fragments is important for court presentation primarily because a. It is a quick way of demonstrating how the object broke. Courts and juries are too non-scientific to understand it any other way.
Instrumental analysis is too complicated to explain to non-technical juries.
This method will definitely demonstrate common origin when a match is made. Instrumental analysis of the fragments will not be sufficiently specific for comparison purposes. In the S.I. system of measurement density is defined as a. Volume per unit weight. Weight per unit volume. Volume per unit volume.